1. The equivalent resistance of series combination is :

(a) smaller than the largest resistance

(b) larger than the largest resistance

(c) smaller than the smallest resistance

(d) larger than the smallest resistance

2. When a 1.2 kΩ resistor, 100 Ω resistor, 1 kΩ resistor and 50 Ω resistor are in parallel, the total resistance is less than :

(a) 100 Ω

(b) 50 Ω

(c) 1 kΩ

(d) 1.2 kΩ

3. Three 3 ohm resistors are connected to form a triangle. What is the resistance between any two of the corners ?

(a) 3/4 ohms

(b) 3 ohms

(c) 2 ohms

(d) 4/3 ohm

4. If a 10 V battery is connected across the parallel resistors of 3 Ω, 5 Ω, 10 Ω and 20 Ω, how much voltage is there across 5 Ω resistor ?

(a) 10 V

(b) 3 V

(c) 5 V

(d) 20 V

5. The power dissipation in each of three parallel braches is 1 W. What is the total power dissipation of the circuit ?

(a) 1 W

(b) 4 W

(c) 3 W

(d) zero

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