List of top Electrical Engineering Questions

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 ____.

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

The Advantages of Renewable energy sources are:

The Output of the statement $int\ x = 5;\ printf("\%d, x++");$ is:

The FIFO structure represents a:

3 - $\phi$ fully controlled rectifier $V_{avg} \propto$:

The SCR triggers when:

Aliasing occurs when,

A band limited signal with $f_{max} = 5\text{Hz}$ is sampled at 8kHz. The result is:

Which of the following system is linear?

The z-transform of $a^n u(n)$ is:

If the Impulse response is $h[n] = (0.5)^n u(n)$ then, the system is

Find the z-transform of x[n] = $\delta$[n] + $\delta$[n + 1]:

Given X(s) = $\frac{1}{s+2}$, ROC: Re(s) $>$ -2. Signal is:

A signal contains frequencies up to 4$\pi$ rad/sec. Minimum sampling frequency is:

If x(t) $\leftrightarrow$ X($\omega$), then FT of tx(t) is:

If energy of x(t) = e$^{-2t}$u(t) is 0.25, find a:

If x[n] = u[n] and h[n] = u[n - 2], find the value of y[5].

A signal x(t) = cos(2$\pi$t) + sin(3$\pi$t) is:

What happens if the field winding of a running DC Shunt motor suddenly opens?