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WorksheetsCircuits Practice
Total questions: 9
Worksheet time: 13mins
Which lightbulb(s) is brightest?
A
B
C and D
E
Which lightbulb(s) is dimmest
A
B
C and D
E
Rank the currents in the circuits
1 > 2 > 3
2 > 3 > 1
2 > 1 > 3
3 > 2 > 1
Which battery will run out of usable energy first?
1
2
3
All at the same time
Four resistors and a 6-V battery are arranged as shown in the circuit diagram. The largest potential difference is across which resistor?
10 ohm
20 ohm
30 ohm
60 ohm
A battery, a switch S, and four identical lightbulbs A, B, C, and D are arranged in a circuit as shown. How does the current in lightbulb A change, if at all, when the switch is closed?
It does not change
It increases
It decreases
Cannot be determined
What is the current in each of hte 5 ohm resistors?
4 A Up
12 A
2 A
6 A
In the circuit shown, the current through the ammeter is 2 A. What is the current through the resistor of unknown resistance R ?
6 A
4 A
3 A
The current cannot be determined without knowing the value of R.
What is the current in the 10 ohm resistor??
1.33 A
2 A
0.67 A
1 A
