DMRC Electrical Engineering Paper-1 2016

To increase power transfer capability of a long transmission line, we should:

The instantaneous voltage and current across a load is given by $$v = 50 \sin (314 t - \frac{\pi}{6})$$ volts and $$i = 10 \sin (314 t - \frac{\pi}{2})$$ amperes, respectively. The active power consumed by the load is:

Drop in alternator frequency is corrected by:

In a galvanometer, the deflection becomes one half when the galvanometer is shunted by a 20 ohm resistor. The galvanometer resistance is:

In a three phase half wave rectifier feeding resistive load, if the input source is a three phase 4 wire system and line to line voltage is 100 V. The supply frequency is
400 Hz. The ripple frequency at the output is:

Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:

Which of the following are constant losses in Transformers?

Deep bar rotor construction is used in three phase induction motors to mainly:

Two transformers with identical voltage ratings are working in parallel to supply common load. The percentage impedance of one transformer is higher compared to that of other. The load sharing between the two transformer will:

Number of comparators required for an 8 bit flash ADC is: