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1. |
A voltmeter connected across 15 kΩ resistor reads 10 V in the circuit given. Voltmeter is rated at 500 Ω / volt and has a full- scale reading of 20 V. The supply voltage is: |
A. | 60 V |
B. | 45 V |
C. | 30 V |
D. | 90 V |
Answer» B. 45 V | |