SSC JE Electrical Engineering 2013
For the following questions answer them individually
The peak value of the output voltage of a half wave rectifier is 100 V. The r.m.s value of the half-wave rectifier output voltage will be
In a series R-L circuit supplied from an sinusoidal voltage source, voltage across R and L are 3 V and 4 V respectively. The supply voltage is then
If the insulation resistance of 2m long sample of a cable is 10MΩ , then a 8m long sample of the same will have an insulation resistance of
An inductor is supplied from a sinusoidal voltage source. The magnetic field energy in the inductor changes from peak value to minimum value 10 msec. The supply frequency is
Two 2000 Ω, 2 watt resistors are connected in parallel. Their combined resistance value and wattage rating are
We have three resistances each of value 1 Ω, 2 Ω and 3 Ω. If all the three resistances are to be connected in a circuit, how many different values of equivalent resistance are possible?
An electric heater draws 1000 watts from a 250 V source. The power drawn from a 200 V source is
