• Tue. Oct 19th, 2021

digital assistant electrical and electronic online exam 5

Standard resistor is made from

Correct! Wrong!

Systematic errors are

Correct! Wrong!

In a Weston synchronoscope the moving coil is connected across

Correct! Wrong!

In a Weston synchronosc ope,the fixed coils are connected across

Correct! Wrong!

A Weston frequency metre is

Correct! Wrong!

In a Weston frequency meter, the magnetic axes of the two fixed coils are

Correct! Wrong!

In A vibrating Reed frequency metre the natural frequencies off two adjacent reeds have a difference of

Correct! Wrong!

In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at

Correct! Wrong!

In a single phase power factor meter the phase difference between the currents in the two pressure coils is

Correct! Wrong!

The to pressure coils of a single phase power factor meter have

Correct! Wrong!

A power factor meter has

Correct! Wrong!

IF AN inductance is connected in one arm of bridge and resistances in the remaining three arms

Correct! Wrong!

To avoid the effect of stray magnetic field in A.C. BRIDGES WE CAN USE

Correct! Wrong!

In a Schering bridge potential of the detector above earth potentially is

Correct! Wrong!

If the current in a capacitor leads the voltage by 80°, The Loss angle of the capacitor is

Correct! Wrong!

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