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WorksheetsCircuit Practical
Total questions: 9
Worksheet time: 11mins
Rank the currents in the circuits
1 > 2 > 3
2 > 3 > 1
2 > 1 > 3
3 > 2 > 1
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
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.
Which bulb is on the longest?
A
C
D
E
In the circuit above, the current in the 8Ω resistor is 4A toward the top of the page and the current in the 3Ω resistor is 8A toward the bottom of the page. What is the current in each of the 5 Ω resistors?
12 A toward the top of the page
2A toward the top of the page
4A toward the top of the page
4A toward the bottom of the page
What is the direction of the current in resistor R2?
Up
Down
No Current
Left
A voltmeter and ammeter are connected incorrectly as shown. What is the measurement of both?
Voltmeter = 6 V
Ammeter = 0 A
Voltmeter = 0 V
Ammeter = 0.5 A
Voltmeter = 0 V
Ammeter = 1 A
Voltmeter = 6 V
Ammeter = 0.5 A
At what rate is thermal energy generated in the 30 Ω resistor?
20 W
27 W
60 W
13 W
