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Non-Ideal Battery

The reading o...

Question

The reading of ammeter is $x$ amperes and that of voltmeter is 20 volts shown in the figure. Then $x$ is:

A

4

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B

6

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C

8

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D

2

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Solution

The correct option is D 2
The reading of the voltmeter is 20 volts. That means the voltage drop in the 10 ohm resistance is 20 volts. So the current flow through the resistance is $20 / 10 = 2 A$ . That will be the ammeter reading.

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