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SSC JE AC Fundamental Quiz 38

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Question 1

In order to measure power in a 3-phase, 4-wire unbalanced load, the minimum number of wattmeters required would be………………………

Question 2

The power consumed in the star-connected load shown in Fig. is

The line current is…………………

Question 3

The power dissipated across each resistor in the figure is ……………….

Question 4

The resistance between any two terminals of the balanced delta-connected load is 12Ω. The resistance of each phase is _________ .

Question 5

Determine the value of current (in A) through both the resistors of the given circuit.

Question 6

A resistor of $Description: E:\Gate\SSC-JE Electrical - Part 1\2_D-C-Circuit-final_files\image223.png$ is connected in series with a parallel combination of a number of resistors, each of $Description: E:\Gate\SSC-JE Electrical - Part 1\2_D-C-Circuit-final_files\image223.png$ . If the total resistance of the circuit is $Description: E:\Gate\SSC-JE Electrical - Part 1\2_D-C-Circuit-final_files\image284.png$ the number of resistors in parallel is

Question 7

In an R-L series circuit, $Description: 13_Phasor-Algebra_files\image161.png$ If current in the circuit is (5 – j 10) A. What is the power consumed in the circuit?

Question 8

The impedance of a circuit is $Description: 13_Phasor-Algebra_files\image170.png$ Then current phase angle is

Question 9

The complex power in the following case is
$Description: 13_Phasor-Algebra_files\image192.png$

Question 10

The voltage across a load is v(t) = 60 cos $Description: 13_Phasor-Algebra_files\image199.png$ V and the current through the load in the direction of the voltage drop is $Description: 13_Phasor-Algebra_files\image208.png$ The reactive power is

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ESE & GATE EE Electric Circuits

Dec 8ESE & GATE EE