Consider the following statements with regard to induction type wattmeter : 

1. Can be used on both ac and dc systems. 

2. Power consumption is relatively low. 

3. It is accurate only at stated frequency and temperature. 

Which of the above statements is/are correct ? 

(a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3
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Consider the following statements with regard to induction type wattmeter : 

1. Can be used on both ac and dc systems. 

2. Power consumption is relatively low. 

3. It is accurate only at stated frequency and temperature. 

Which of the above statements is/are correct ? 

(a) 1 only (b) 2 only (c) 3 only (d) 1, 2 and 3

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