ISRO Electrical Engineering (EE) 2023 - Question 60

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The pressure coil of a dynamometer type wattmeter is

  • A. highly inductive
  • B. highly resistive
  • C. purely resistive
  • D. purely inductive

Answer: B. highly resistive

Explanation: The pressure coil circuit of a dynamometer wattmeter is made highly resistive so that pressure coil current is in phase with voltage.

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