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Question
A voltmeter has a sensitivity of 1000 Ω/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 actual resistance of the unknown resistor will be?
Options:
A .  20 kΩ
B .  18.57 kΩ
C .  21.43 kΩ
D .  22.76 kΩ
Answer: Option C
Answer: (c).21.43 kΩ

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