- Measurements and Instrumentation - Section 1
- Measurements and Instrumentation - Section 2
- Measurements and Instrumentation - Section 3
- Measurements and Instrumentation - Section 4
- Measurements and Instrumentation - Section 5
- Measurements and Instrumentation - Section 6
- Measurements and Instrumentation - Section 7
- Measurements and Instrumentation - Section 8
- Measurements and Instrumentation - Section 9
- Measurements and Instrumentation - Section 10


Measurements and Instrumentation - Engineering
Q1: An induction wattmeter can be used forA dc only
B 50 Hz ac only
C both ac and dc
D high frequency ac only
ANS:B - 50 Hz ac only Induction principle is valid for ac only. Induction Instruments are calibrated for 50 Hz ac. |


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