SSC JE 2019-20 Technical Quiz 32

In two-wattmeter method, if the balanced load is resistive, then the relation between the two wattmeters will be

A 110:100 V, PT (potential transformer) is used along with a voltmeter whose reading is 24.5 V. Find the value of the high voltage to be measured.

Which of the following is used to avoid the errors due to creeping in the electrodynamometer type energy meter?

Determine the heat (in Joules) dissipated through a resistor of 15 ohms resistance, when 0.5 A of current is flowing through the resistor for 8 seconds.

Determine the magnetic field intensity (in Amp-turns/m) of 5-meter-long coil when the col has 100 turns and carries a current of 0.6 A.

The hysteresis loop is nearly square for

Which of the following expression satisfies the Ampere’s circuital law?

For improving the power factor of coreless type induction furnace,