If voltmeter connected in the configuration below reads 5 V, then what is the value of resistor R

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If voltmeter connected in configuration below reads 5 V, then what is the value of resistor R:

  1. 200 kΩ
  2. 500 kΩ
  3. 780 kΩ
  4. 1.2 MΩ

Correct answer: 3. 780 kΩ

Solution:

Step by step solution video

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