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1. |
An electrodynamometer instrument can be used as1. Wattmeter and VAR meter2. Power factor meter and Frequency meter3. Transfer instrumentWhich of the above statements are correct? |
A. | 1 and 2 only |
B. | 1 and 3 only |
C. | 2 and 3 only |
D. | 1, 2 and 3 |
Answer» E. | |