List of top Electrical Engineering Questions asked in OJEE

The pointer in a current measuring instrument returns to zero position when it is disconnected. This is due to ____.

The armature of a DC motor has resistance of 0.1 ohm and is connected to a 250 V supply. The generated emf when the motor is taking 60 A will be ____.

The frequency of the emf induced in the rotor circuit of a three phase. 50 Hz, 4 pole induction motor running at 1425 RPM is

Electrolyte used in lead acid battery is

An a.c. source of 200 V rms supplies active power of 600 W and reactive power of 800 VAR. The rms current drawn from the source is ____.

In a circuit, voltage and current are given by $V = 10 \sin(\omega t + 30^\circ)$ and $i = 10 \sin(\omega t - 30^\circ)$. The power consumed in the circuit is ____.

In case of ideal current sources, they have ____.