Question

What is the difference between induction type wattmeter and dynamometer type wattmeter?

Answer 1

Answer:

These types of watt-meters operate on the same working principle on which the induction type ammeter and voltmeter operates. These instruments can only be used on ac supply while dynamo-meter type watt meters can be used on either ac or dc supply system

Explanation:

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Answer 2

Explanation:

Answer: These types of watt-meters operate on the same working principle on which the induction type ammeter and voltmeter operates. These instruments can only be used on ac supply while dynamo-meter type watt meters can be used on either ac or dc supply system.