Class 12 Physics (Part I) Chapter 3 Current Electricity Quiz 57 (9 MCQs)

Quiz Instructions

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1. The solution which conducts electricity is known as .....
2. In the measurement of resistance by a meter-bridge, the current is necessarily reversed through the bridge wire to eliminate
3. How do you calculate the total voltage in a series circuit?
4. A ..... limits the flow of electricity
5. Turning on the light creates a ..... path.
6. A carbon resistance is having a following coding:green, orange, black, gold.The resistance of the resistor is
7. A copper wire is connected across the terminals of battery of e.m.f. 9.0 V.If 30 C takes 150 s to complete the circuit, calculate the current flow.
8. What is the formula for calculating potential difference?
9. It is better to send 10, 000 kW of electric power long distances at 10, 000 V rather than at 220 Vbecause: