Calculate the equivalent resistance between A and B
1.
2. 3 Ω
3. 6 Ω
4.
The total current supplied to the circuit by the battery is:
1. \(1~\text{A}\)
2. \(2~\text{A}\)
3. \(4~\text{A}\)
4. \(6~\text{A}\)
For the network shown in the figure the value of the current i is
1.
2.
3.
4.
The magnitude and direction of the current in the circuit shown will be
1. A from a to b through e
2. A from b to a through e
3. 1A from b to a through e
4. 1A from a to b through e
In the circuit shown, A and V are ideal ammeter and voltmeter respectively. Reading of the voltmeter will be
1. 2 V
2. 1 V
3. 0.5 V
4. Zero
Four identical cells each having an electromotive force (e.m.f.) of 12V, are connected in parallel. The resultant electromotive force (e.m.f.) of the combination is :
1. 48 V
2. 12 V
3. 4 V
4. 3 V
A capacitor is connected to a cell of emf E having some internal resistance r. The potential difference in steady state across the
1. Cell is < E
2. Cell is E
3. Capacitor is > E
4. Capacitor is < E
A resistance of 4 Ω and a wire of length 5 metres and resistance 5 Ω are joined in series and connected to a cell of e.m.f. 10 V and internal resistance 1 Ω. A parallel combination of two identical cells is balanced across 300 cm of the wire. The e.m.f. E of each cell is:
1. 1.5 V
2. 3.0 V
3. 0.67 V
4. 1.33 V
In the circuit shown here, E1 = E2 = E3 = 2 V and R1 = R2 = 4 ohms. The current flowing between points A and B through battery E2 is
1. Zero
2. 2 amp from A to B
3. 2 amp from B to A
4. None of the above
The equivalent resistance between the points P and Q in the network given here is equal to (given ) :
1.
2. 1 Ω
3.
4. 2 Ω