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5/45 MCQs for:
ELECTRICITY : Electric Current I
Which of the following is a formula for electric power?
Which of the following materials is an insulator?
The instrument used to measure electric current in a circuit is called a/an:
An electric geyser is connected to a 240V supply and draws a current of 10A. How much energy does it consume in 20 minutes?

The figure shows a network of three resistors connected to a 20 V battery.

The potential difference across the 3Ω resistor is: