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DIGITAL ASSISTANT ONLINE EXAM 3

Byadmin

Feb 11, 2020

For measuring a very high resistance we should use

Correct! Wrong!

When 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

Correct! Wrong!

An ohmmeter is a

Correct! Wrong!

The adjustment of position of shading bands, in an energy meters is done to provide

Correct! Wrong!

in a 3 -phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be

Correct! Wrong!

..in a 3 -phase power measurement by two wattmeter method, both the watt meters had identical reading the power factors of the load was

Correct! Wrong!

In a low power factor wattmeter the compensating coil is connected

Correct! Wrong!

In a low power factor wattmeter the pressure coil is connected .

Correct! Wrong!

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

Correct! Wrong!

A dynamometer wattmeter can be used for

Correct! Wrong!

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

Correct! Wrong!

For measuring current at high frequency we should use

Correct! Wrong!

The scale of a rectifier instrument is

Correct! Wrong!

A moving iron instrument can be used for

Correct! Wrong!

The multiplier and the meter coil in a voltmeter are in

Correct! Wrong!

DIGITAL ASSISTANT ONLINE EXAM 3

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