Wattmeter Multiple Choice Questions and Answers

6. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

   A.Almost zero

   B.Low

   C.High

   D.None of the above

7. A dynamometer wattmeter can be used for

   A.Both D.C. and A.C.

   B.D.C. only

   C.A.C. only

   D.Any of the above

8. An induction wattmeter can be used for

   A.Both D.C. and A.C.

   B.D.C. only

   C.A.C. only

   D.Any of the above

9. The pressure coil of a wattmeter should be connected on the supply side of the current coil when

   A.Load impedance is high

   B.Load impedance is low

   C.Supply voltage is low

   D.None of the above

10. In a low power factor wattmeter the pressure coil is connected

   A.To the supply side of the current coil

   B.To the load side of the current coil

   C.In any of the two meters at connection

   D.None of the above

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