List of top Electrical Engineering Questions

To minimize loading, the voltmeter should have:

In a Voltmeter the sensitivity is given by:

In measuring instruments, The Damping torque is used to:

In an analogue instrument, the Controlling torque is provided by:

A Moving iron instrument measures:

In a moving coil instruments, the deflecting torque is proportional to:

Mealy output depends on:

Setup time is the time:

A Decoder with n inputs has the following number of outputs:

A full adder can be built using:

The Karnaugh map is used for:

The number of Select lines required for a 16:1 MUX is

The Race-around occurs when:

A JK flip-flop with J=K=1 behaves as:

The MSB frequency of a 4-bit ripple counter with 16 MHz clock is

The Universal gate is:

Minimum number of 2-input NAND gates required for implementing the logic \( F = AB + A'C \) is:

Steady-state error of the following second-order system for a unit ramp input is \[ \frac{C(s)}{R(s)} = \frac{\omega_n^2}{s^2+2\zeta\omega_n s+\omega_n^2}. \] The steady-state error is:

For the given open-loop system, \[ G(s)=\frac{1}{(s+2)(s+4)}, \] the poles of the unity feedback closed-loop system are:

If the transfer function of a controller is given by \[ G_c(s)=\frac{K_1s^2+K_2s+K_3}{s}, \] then the proportional, integral, and derivative constants are:

The number of pulses per half cycle of PWM inverter is changed, then

For a step-down Type A chopper, the waveforms of input current I and output current \(\text{I}_\text{o}\) respectively are

A dc motor is connected to a 214 V rms (L-L), 3-\(\phi\), 50 Hz line using a 3-\(\phi\) bridge converter. If the firing angle is \(\frac{\pi}{6}\), full load armature current is 2500 A and armature resistance is 4 m\(\Omega\), then the back emf is

If \(\alpha\) is ratio \(\frac{\text{T}_{\text{ON}}}{\text{T}}\) of chopper, then the ratio of input voltage to output voltage of step down and step-up chopper respectively are

In the first quadrant of V-I characteristics of Uni-Junction Transistor, the slopes of characteristic are in the following sequence