SSC JE Electrical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

Question 161

EMF induced in a coil rotating in a uniform magnetic field will be maximum when the

Video Solution
Question 162

If resistance is 20 Ω and inductance is 2H in a RL series circuit, then time constant of this circuit will be

Video Solution
Question 163

When the rotor of a three phase induction motor is blocked the slip is

Video Solution

Question 164

The positive, negative and zero sequence impedances of 3-phase synchronous generator are j 0.5 pu, j 0.3 pu and j 0.2 pu respectively. When symmetrical fault occurs on the machine terminals. Find the fault current. The generator neutral is grounded through reactance of j0.1 pu

Video Solution
Question 165

Transient current in RLC circuit is oscillatory when the value of R is

Video Solution
Question 166

For average values of load current, current chopping occurs more frequently in

Video Solution

Question 167

A BJT is said to be operating in the saturation region if

Video Solution
Question 168

The mutural inductance between two unity coupled coils of 9 H and 4 H will be

Video Solution
Question 169

Determine the voltage at point C shown below with respect to ground

Video Solution

Question 170

The efficiency normally obtained in a circuit under the conditions of maximum power transfer is

Video Solution
cracku

Boost your Prep!

Download App