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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 actual resistance of the unknown resistor will be? |
A. | 20 k |
B. | 18.57 k |
C. | 21.43 k |
D. | 22.76 k |
Answer» D. 22.76 k | |