What is the current (i) in the circuit as shown in figure
1. 2 A
2. 1.2 A
3. 1 A
4. 0.5 A
n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance
1. n
2.
3. n2
4.
In the figure, current through the 3 Ω resistor is 0.8 ampere, then potential drop through 4 Ω resistor is
1. 9.6 V
2. 2.6 V
3. 4.8 V
4. 1.2 V
What is the equivalent resistance between A and B in the figure below if R = 3 Ω
1. 9 Ω
2. 12 Ω
3. 15 Ω
4. None of these
What is the equivalent resistance between A and B
1.
2.
3.
4. 2 R
What is the equivalent resistance of the circuit?
1. \(6~\Omega\)
2. \(7~\Omega\)
3. \(8~\Omega\)
4. \(9~\Omega\)
In the given figure, the equivalent resistance between the points A and B is :
1. 8 Ω
2. 6 Ω
3. 4 Ω
4. 2 Ω
A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor as shown in the figure. If the current in the circuit is 0.5 A. then the resistance of the resistor will be
1. 19 Ω
2. 17 Ω
3. 10 Ω
4. 12 Ω
The potential drop across the 3Ω resistor is
1. 1 V
2. 1.5 V
3. 2 V
4. 3 V