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Discussion

Assertion (A): When a wattmeter is used for low impedance loads, the pressure coil is connected across the load.

Reason (R): A wattmeter measures apparent power.

  • A.Both A and R are true and R is correct explanation of A
  • B.Both A and R are true but R is not correct explanation of A
  • C.A is true R is false
  • D.A is false R is true

Answer: C

Wattmeter measures active power.

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