The resistors of resistances 2 Ω, 4 Ω and 8 Ω are connected in parallel, then the equivalent resistance of the combination will be :
1.
2.
2.
4.
In the circuit, the potential difference across PQ will be nearest to
1. 9.6 V
2. 6.6 V
3. 4.8 V
4. 3.2 V
Three resistors are connected to form the sides of a triangle ABC, the resistance of the sides AB, BC and CA are 40 ohms, 60 ohms and 100 ohms respectively. The effective resistance between the points A and B in ohms will be
1. 32
2. 64
3. 50
4. 200
Equivalent resistance across terminals \(A\) and \(B\) will be:
1. | \(1~\Omega\) | 2. | \(2~\Omega\) |
3. | \(3~\Omega\) | 4. | \(4~\Omega\) |
Two wires of the same dimensions but resistivities ρ1 and ρ2 are connected in series. The equivalent resistivity of the combination is
1. ρ1 + ρ2
2.
3.
4.
A 3 volt battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be
1. 1/3 A
2. 1 A
3. 1.5 A
4. 2 A
Find the equivalent resistance between the points a and b
1. 2 Ω
2. 4 Ω
3. 8 Ω
4. 16 Ω
The potential difference between points A and B is:
1. 207 V
2. 407 V
3. 107 V
4. 0
In the circuit shown below, The reading of the voltmeter V is
1. 12 V
2. 8 V
3. 20 V
4. 16 V
In the circuit shown in the figure, the current flowing in 2 Ω resistance
1. 1.4 A
2. 1.2 A
3. 0.4 A
4. 1.0 A