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1. |
A 35 V source is connected to a series circuit at 600 ohms and R as shown. If a voltmeter at internal resistance 1.2 kilo-ohms is connected across 600-ohm resistor it reads 5 V. The value of R is____. |
A. | 1.2 kΩ |
B. | 2.4 kΩ |
C. | 3.6 kΩ |
D. | 7.2 kΩ |
Answer» C. 3.6 kΩ | |