In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equal to R
(1) 3 ohms
(2)
(3)
(4) 10 ohms
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 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
In the figure given the value of X resistance will be, when the p.d. between B and D is zero
(1) 4 ohm
(2) 6 ohm
(3) 8 ohm
(4) 9 ohm