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Measurement and Instrumentation

The pressure coil of a wattmeter should be connected on the supply side of the current coil when______________?

Measurement and Instrumentation /
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

The pressure coil of a wattmeter should be connected on the supply side of the current coil when______________? Read More »

Measurement and Instrumentation

When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is____________?

Measurement and Instrumentation /
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is____________?

A. short-circuited
B. all right
C. faulty

When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is____________? Read More »

Measurement and Instrumentation