List of top Electrical Engineering Questions

Electric traction uses a power supply of:
Filament lamps operate normally at a power factor of:
Candela is the unit of:
A slab of insulating material 130 cm\(^2\) in area and 1 cm thick is to be heated by dielectric heating. The power required is 380 W at 30 MHz. The material has a relative permittivity of 5 and a power factor of 0.05. Determine the necessary voltage.
Spot welding is used for:
Material used for solar cell is:

Corona loss increases with:

The RMS output voltage at fundamental frequency of a single-phase, full-bridge inverter with input voltage of 48V DC, feeding a load of 2.4 \( \Omega \) is:
What is the operation carried out by the 8051 instruction: ‘SETB 0D3’?
In a single-phase semi-converter without a freewheeling diode, for discontinuous conduction and extinction angle \( \beta>\pi \), each SCR conducts for the period:

200 V, 50 Hz inductive circuit takes a current of 10 A lagging the voltage by 30°. Calculate inductance of the circuit.

The nuclear plants are suitable for:

Which of the following matrices reveals the topology of the power system network?
Magnetizing inrush current is rich in:
Negative phase sequence current in an alternator produces:
SVC is basically:

The motion of electrons in a CRT is due to:

Energy stored in the capacitor is:

Which of the following motors is expected to have maximum full-load efficiency?
Dynamic braking is very effective for:

The output of the following program is: 

If all the poles of \( H(z) \) are outside the unit circle, then the system is said to be:

A transformer steps up the voltage by a factor of 100. The ratio of current in the primary to that in the secondary is:

Power factor of a power transformer on no load will be about:

The Impulse Response of an initially relaxed linear system is \( e^{-2t}u(t) \). To produce a response of \( te^{-2t}u(t) \), the input should be: