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The speed of electricity is :
(A) 2,97,842 km/s ൪൫ 2,97,842km/m
(೮) 2,97,842 km/hr (D) none of the above

What is the resistance of the inductive coil takes 5 A current across 240 V, 50 Hz supply
at 0.8 P.F.?

(A) 48W (B) 42.5 W (© ٣٦ (D) 26.6W

In a 3 phase system, if the active power is 4 kW and the apparent power is 5 kVA,
calculate the reactive power.

(A) 1kVAR (B) 2kVAR (0 3 kVAR (0) 4kVAR

What is the di-electric strength in k.V/m.m. of asbestos at 20°C ?

ಯ) 40 (B) 42 ( 44 (D) 46
Two wattmeter method is used to measure the power in load.
(^) resistive load (B) balanced load

(0) un-balanced load (D) balanced and un-balanced load

To magnetize a steel is difficult because of its :
(A) high density (B) high retentivity
(C) high permeability (D) low permeability

What is the effect if one cell is connected with reverse polarity in a parallel combination
circuit ?

(A) voltage became zero (B) became open circuit

(C) will get short circuited (D) ‏مم‎ effect will function normally

The depolarizer is used in dry cell is :
ധ MNO, ரூ MNO,
(C) mercury sulphate (D) NH,

Two batteries each of open circuit voltage 2 V and internal resistance of 2 ohm are
connected in parallel to supply a load of 2 ohm the current supplied by the battery is :

(A) 033A (B) 2A (© 0.84 (D) 1A

A 24 ohm and 8 ohm resistors are in parallel have a combined resistance of :
(A) 3201൩൩ ൯) 2401൩൩ (C) 1901൩ (0) 6000

008/2022 4 A