A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter. When the milliammeter reads 10 mA. The apparent resistance of the unknown resistor will be?

A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V sca

1.	A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter. When the milliammeter reads 10 mA. The apparent resistance of the unknown resistor will be?
A.	20 k
B.	21.43 k
C.	18.57 k
D.	22.36 k
Answer» B. 21.43 k

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A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter. When the milliammeter reads 10 mA. The apparent resistance of the unknown resistor will be?

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