SSC JE EE Quiz: Electrical and Electric Instrumentation Booster Quiz-16

Wagner’s Earth devices are used in ac tridge circuit for.

In CRO electrons accelerated by the ?

In an oscilloscope, when the unknown signal applied to the vertical plates is being synchronized with the sweep signal applied to horizontal plates, the pattern seen on the CRO screen moves towards the right. It means that,

Power factor meters have

A (0-10)mA PMMC ammeter reads 4 mA in a circuit. Its bottom control spring snaps suddenly , the meter will now read nearly

A bridge circuit works at a frequency of 2 kHz. The following can be used as detectors for detection of null conditions in the bridge,

A 5mA ammeter has a resistance of . It is to be converted to a 1A ammeter. The value of shunt resistance is

Bridge sensitivity of a wheat stone’s bridge is defined as.

The household energy meter is