# Recent questions tagged circuit

What is unilateral and bilateral circuit?

Time constant for RC circuit formula τ = RC Where, τ = time constant

Describe the difference between an open circuit and a short circuit.

List three important characteristics of an electric circuit.

Explain why potential difference is necessary to produce current in a circuit.

Series circuit rules

Parallel rc circuit

Parallel circuit rules

Source free RL circuit 8

Source free RL circuit 7

Source free RL circuit 6

Source free RC circuit 2

Source free RC circuit 3

Source free RC circuit 4

Source free RC circuit 5

Source free RC circuit 6

Source free RC circuit 7

Source free RC circuit 8

Source free RL circuit 1

Source free RL circuit 2

Source free RL circuit 3

What is electrical circuit ?

State function of starter and ELCB. (Earth Leakage Circuit Breaker)

State maximum power transfer theorem for DC circuit.

Mention the precautions to be taken while connecting CT and PT in the circuit.

List any two methods of reactive power measurement in 3 phase circuit.

Define balanced and unbalanced load in three phase circuit.

Describe transistor as a switch with neat circuit diagram.

Draw the circuit diagram of crystal oscillator and explain its working.

Draw and explain Hartley Oscillator circuit diagram.

Draw the single stage RC coupled amplifier circuit and explain its’s operation.

Define- (i) Node (ii) Loop for a DC circuit

State any four applications of three phase circuits.

State and explain Ohm's law for magnetic circuit.

Compare electric and magnetic circuit.

Define magnetic circuit. Draw simple series magnetic circuit.

Draw a typical electric circuit including ammeter and voltmeter.

I am a new student of electrical and electronic engineering, and facing some problems on sign related, kvl as well as mesh current analysis. By getting solution of these problems, I may get rid of these problems. For figure 4, please just write the seven mesh equations only, solution is not needed.

An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V

In a series R-C circuit, with the increase in frequency, current (A) Reduces (B) Increases (C) Does not change (D) Becomes zero

For a DC circuit capacitor is

A series R-L-C Circuit has a resonant frequency of 1000 Hz. If the values of R, L and C are doubled, the new resonant frequency is

If the % reactance upto the fault point is 20%, then the short circuit current will be

The arc temperature in Oil Circuit Breaker may reach up to_______.  (A) 5,000° K (B) 8,000° K (C) 10,000° K (D) None of the above