WorksheetsFB ohm's law for closed circuits
Total questions: 13
Worksheet time: 7mins
The graph shows the change in the current in a circuit with the terminal voltage of the battery that produces the current,
What is the electromotive force of the battery and the internal resistance?
6 V & 0.125 Ω
5.95 V & - o. 125 Ω
6 V & 0.250 Ω
If the equivalent resistance between P & Q is (R)
So the value of R is..
8.3 Ω
10 Ω
20 Ω
If points a & b connected to a battery and the equivalent resistance then is 9 Ω
So if the battery connected between c&b
the equivalent resistance is..
8 Ω
6 Ω
12 Ω
In the circuit shown, if the ammeter reading is 1A
So the reading of the voltmeter is...
6 V
3 V
9 V
In the circuit shown, when the key is closed the readings of the voltmeter and ammeter will....
Decrease & increase
Increase & decrease
Remain constant
Which changes will be happen to the readings of A, V1 & V2 if the key closed
Decrease, decrease & increase
Decrease, decrease & decrease
Increase, increase & decrease
If the value of the variable resistor increased, what will happen to the readings of the voltmeters V1 & V2.
Decrease & increase
Increase & decrease
Remains the same
If the reading of the voltmeter is 12 V, what is the value of emf of the battery?
20 V
10 V
18 V
In the circuit shown, what's the value of R?
4 Ω
2 Ω
6 Ω
If the value of the variable resistor increased, the reading of the voltmeter will...
Increase
Decrease
Remains the same
If the filament of one lamp is burnt-out, the reading of the voltmeter will be ...... Emf
the same as
Larger than
Smaller than
If the value of the variable resistor increased, the reading of the voltmeter will....
Decrease
Increase
The same
When the circuit is closed, the reading of the voltmeter is....
15 V
20 V
24 V
