SSC JE Electrical Engineering 29th Jan 2018 Shift-2

The angular velocity of the waveform is given as 440 rad/sec. Calculate the  frequency (in Hz) of the waveform.

For a three phase system, calculate the instantaneous voltage (in V) of phase Y, if the instantaneous voltages of other two phases are +70 V and -50 V respectively.

Whatis the form factor of a square wave?

Calculate the average value of sinusoidal wave $$\cos^{2}\theta$$ over a complete cycle.

A coil of resistance 10 ohms and inductance 10 mH is connected in a series with a 0.01 mF capacitor. Find the value of current (in A) at resonance,if the circuit is connected across 10 V supply.

What will be the average value of the voltage (in V), if a sinusoidal alternating current of 15 A is flowing across a resistance of 25 ohms?

The coil having a resistance of 5 ohm and inductance of 38.22 mH is connected to 220 V, 50 Hz supply. Calculate the current (in A) flowing in the circuit.

A parallel circuit consists of a coil whose resistance and inductance is 10 ohms and 250 mH respectively and is connected in parallel with a capacitor of 0.0025 mF. Calculate the resonant frequency (in Hz) of the circuit.

Find the value of the supply voltage (in V) for the circuit shown in the figure below.

For the figure shown below, the power consumed in the load is 345 W. What is the value of line current 'I' (in A)?