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AE 2019 || Day 3 || Network Theory Quiz 3

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Question 1

What should be done to find the initial values of the circuit variables in a first-order R-C circuit excited by only initial conditions?

Question 2

The precision resistors are?

Question 3

Which of the following is true for the complete response of any network voltage or current variables for a step excitation to a first-order circuit?

Question 4

Three star-connected loads of

each and three delta-connected loads of

each are connected in parallel and fed from a three-phase balanced source having line-tonetural voltage of 120V. The line currents drawn from the supply will be

Question 5

In figure, the value of the voltage E
is

Question 6

In a two element series network, the voltage and current respectively are given as,

then the power factor of the network is approximately

Question 7

A voltage of V =100∠30^o is applied to an impedance Z = 3 + j4. Which one of the following is the power triangle?

Question 8

The following are the results of tests conducted on the below star-connected load:

The resistance between B and C with
A open : 22 Ω
The resistance between C and A with
B open : 18 Ω
The resistance between A and B with C open: 12 Ω
The individual resistance of R_A, R_Band R_C are respectively,

Question 9

A 100

resistor has an effective inductance of 0.1 μH and a distributed capacitance of 10 pF. Its time constant at medium frequency is

Question 10

The current in a coil changes from 5 A to 1 A in 0.4 second. The induced voltage is 40 V. The self-inductance in henry is

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ESE & GATE EE Electric Circuits

Jul 13ESE & GATE EE