Schaltung
About points...
We associate a certain number of points with each exercise.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
About difficulty...
We associate a certain difficulty with each exercise.
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
Question
Solution
Short
Video
\(\LaTeX\)
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Don't forget to subscribe to our channel, like the videos and leave comments!
Exercise:
abclist abc Skizziere die folge Schaltung wie geübt übersichtlicher. abc Berechne den Ersatzwiderstand alle Ströme und die Spannung an jedem Widerstand. Die Spannung der Quelle und die Werte der einzelnen Widerstände sind der Tabelle zu entnehmen. Für richtig berechnete Teilströme und Spannungen gibt es einen halben für den Gesamtstrom einen Punkt und für den Ersatzwiderstand zwei Punkte wenn der Lösungsweg ersichtlich und nachvollziehbar ist. textbfAlle Werte müssen in die Tabelle eingetragen werden! abclist circuitikzeuropean draw to battery l^U_ invert ; draw --; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw --; circuitikz center defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & & & & & hline R_i/siohm & & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & & & & & & hline tabularx center
Solution:
center defarraystretch. circuitikz draw . to european resistor l^R_ .; draw . to european resistor l^R_ .; draw -. to european resistor l^R_ -.; draw .---.; draw .---.; draw ---.; draw --.; draw -. to european resistor l^R_ -.; draw -.-. to european resistor l^R_ .-.; draw .--.-. to battery invert -.-.---.; circuitikz defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & numround-precisionround-modefiguresUeX & numround-precisionround-modefiguresUzX & numround-precisionround-modefiguresUdX & numround-precisionround-modefiguresUvX & numround-precisionround-modefiguresUfX hline R_i/siohm & numround-precisionround-modefiguresRX & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & numround-precisionround-modefiguresIX & numround-precisionround-modefiguresIeX & numround-precisionround-modefiguresIzX & numround-precisionround-modefiguresIdX & numround-precisionround-modefiguresIvX & numround-precisionround-modefiguresIfX hline tabularx center al R_ RdvF RdvP R_ RdvfF RdvfP R_ RedvfF RedvfP R_ RF RP I_ IF IP U_ UzF UzP I_ IeF IeP U_ UeF UeP U_ UfF UfP I_ IfF IfP I_ IdF IdP U_ UdF UdP I_ IvF IvP U_ UvF UvP
abclist abc Skizziere die folge Schaltung wie geübt übersichtlicher. abc Berechne den Ersatzwiderstand alle Ströme und die Spannung an jedem Widerstand. Die Spannung der Quelle und die Werte der einzelnen Widerstände sind der Tabelle zu entnehmen. Für richtig berechnete Teilströme und Spannungen gibt es einen halben für den Gesamtstrom einen Punkt und für den Ersatzwiderstand zwei Punkte wenn der Lösungsweg ersichtlich und nachvollziehbar ist. textbfAlle Werte müssen in die Tabelle eingetragen werden! abclist circuitikzeuropean draw to battery l^U_ invert ; draw --; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw --; circuitikz center defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & & & & & hline R_i/siohm & & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & & & & & & hline tabularx center
Solution:
center defarraystretch. circuitikz draw . to european resistor l^R_ .; draw . to european resistor l^R_ .; draw -. to european resistor l^R_ -.; draw .---.; draw .---.; draw ---.; draw --.; draw -. to european resistor l^R_ -.; draw -.-. to european resistor l^R_ .-.; draw .--.-. to battery invert -.-.---.; circuitikz defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & numround-precisionround-modefiguresUeX & numround-precisionround-modefiguresUzX & numround-precisionround-modefiguresUdX & numround-precisionround-modefiguresUvX & numround-precisionround-modefiguresUfX hline R_i/siohm & numround-precisionround-modefiguresRX & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & numround-precisionround-modefiguresIX & numround-precisionround-modefiguresIeX & numround-precisionround-modefiguresIzX & numround-precisionround-modefiguresIdX & numround-precisionround-modefiguresIvX & numround-precisionround-modefiguresIfX hline tabularx center al R_ RdvF RdvP R_ RdvfF RdvfP R_ RedvfF RedvfP R_ RF RP I_ IF IP U_ UzF UzP I_ IeF IeP U_ UeF UeP U_ UfF UfP I_ IfF IfP I_ IdF IdP U_ UdF UdP I_ IvF IvP U_ UvF UvP
Meta Information
Exercise:
abclist abc Skizziere die folge Schaltung wie geübt übersichtlicher. abc Berechne den Ersatzwiderstand alle Ströme und die Spannung an jedem Widerstand. Die Spannung der Quelle und die Werte der einzelnen Widerstände sind der Tabelle zu entnehmen. Für richtig berechnete Teilströme und Spannungen gibt es einen halben für den Gesamtstrom einen Punkt und für den Ersatzwiderstand zwei Punkte wenn der Lösungsweg ersichtlich und nachvollziehbar ist. textbfAlle Werte müssen in die Tabelle eingetragen werden! abclist circuitikzeuropean draw to battery l^U_ invert ; draw --; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw --; circuitikz center defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & & & & & hline R_i/siohm & & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & & & & & & hline tabularx center
Solution:
center defarraystretch. circuitikz draw . to european resistor l^R_ .; draw . to european resistor l^R_ .; draw -. to european resistor l^R_ -.; draw .---.; draw .---.; draw ---.; draw --.; draw -. to european resistor l^R_ -.; draw -.-. to european resistor l^R_ .-.; draw .--.-. to battery invert -.-.---.; circuitikz defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & numround-precisionround-modefiguresUeX & numround-precisionround-modefiguresUzX & numround-precisionround-modefiguresUdX & numround-precisionround-modefiguresUvX & numround-precisionround-modefiguresUfX hline R_i/siohm & numround-precisionround-modefiguresRX & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & numround-precisionround-modefiguresIX & numround-precisionround-modefiguresIeX & numround-precisionround-modefiguresIzX & numround-precisionround-modefiguresIdX & numround-precisionround-modefiguresIvX & numround-precisionround-modefiguresIfX hline tabularx center al R_ RdvF RdvP R_ RdvfF RdvfP R_ RedvfF RedvfP R_ RF RP I_ IF IP U_ UzF UzP I_ IeF IeP U_ UeF UeP U_ UfF UfP I_ IfF IfP I_ IdF IdP U_ UdF UdP I_ IvF IvP U_ UvF UvP
abclist abc Skizziere die folge Schaltung wie geübt übersichtlicher. abc Berechne den Ersatzwiderstand alle Ströme und die Spannung an jedem Widerstand. Die Spannung der Quelle und die Werte der einzelnen Widerstände sind der Tabelle zu entnehmen. Für richtig berechnete Teilströme und Spannungen gibt es einen halben für den Gesamtstrom einen Punkt und für den Ersatzwiderstand zwei Punkte wenn der Lösungsweg ersichtlich und nachvollziehbar ist. textbfAlle Werte müssen in die Tabelle eingetragen werden! abclist circuitikzeuropean draw to battery l^U_ invert ; draw --; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw to european resistor l^R_ ; draw --; circuitikz center defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & & & & & hline R_i/siohm & & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & & & & & & hline tabularx center
Solution:
center defarraystretch. circuitikz draw . to european resistor l^R_ .; draw . to european resistor l^R_ .; draw -. to european resistor l^R_ -.; draw .---.; draw .---.; draw ---.; draw --.; draw -. to european resistor l^R_ -.; draw -.-. to european resistor l^R_ .-.; draw .--.-. to battery invert -.-.---.; circuitikz defarraystretch. tabularx.textwidth|r|X|X|X|X|X|X| hline & i & i & i & i & i& i hline U_i/siV & cellcolorgrayUX & numround-precisionround-modefiguresUeX & numround-precisionround-modefiguresUzX & numround-precisionround-modefiguresUdX & numround-precisionround-modefiguresUvX & numround-precisionround-modefiguresUfX hline R_i/siohm & numround-precisionround-modefiguresRX & cellcolorgrayReX &cellcolorgray RzX & cellcolorgrayRdX & cellcolorgrayRvX & cellcolorgrayRfX hline I_i/siA & numround-precisionround-modefiguresIX & numround-precisionround-modefiguresIeX & numround-precisionround-modefiguresIzX & numround-precisionround-modefiguresIdX & numround-precisionround-modefiguresIvX & numround-precisionround-modefiguresIfX hline tabularx center al R_ RdvF RdvP R_ RdvfF RdvfP R_ RedvfF RedvfP R_ RF RP I_ IF IP U_ UzF UzP I_ IeF IeP U_ UeF UeP U_ UfF UfP I_ IfF IfP I_ IdF IdP U_ UdF UdP I_ IvF IvP U_ UvF UvP
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