The voltage-divider circuit shown in Fig. 1 is designed so that the no-load output voltage...

The voltage-divider circuit shown in Fig. 1 is designed so that the no-load output voltage is 7/9ths of the input voltage. A d’Arsonval voltmeter having a sensitivity of 100 Ω/V and a full-scale rating of 200 V is used to check the operation of the circuit.

a) What will the voltmeter read if it is placed across the 180 V source?

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b) What will the voltmeter read if it is placed across the 70 kΩ resistor?

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c) What will the voltmeter read if it is placed across the 20 kΩ resistor?

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d) Will the voltmeter readings obtained in parts (b) and (c) add to the reading recorded in part (a)? Explain why or why not.

Figure 1