SSC JE Electrical Engineering 2015

Instructions

For the following questions answer them individually

Question 151

A 10 pole 25 Hz alternator is directly coupled to and is driven by 60 Hz synchronous motor then the number of poles in a synchronous motor are

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Question 152

2.If two capacitances $$C_{1} and C_{2} $$ are connected in parallel then the equivalent capacitance is given by

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Question 153

For the circuit shown find the resistance between points P & Q

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Question 154

A resistor is connected across a 50 V source. The current in the resistor if the colour code is red, orange, silver is

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Question 155

A primary cell has an e.m.f. of 1.5 V. When short circuited, it gives a current of 3 A. The internal resistance of cell is

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Question 156

Electrical resistivity $$\rho$$ is

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Question 157

The rate of change of current in a 4 H inductor is 2 Amps/ sec. Find the voltage across inductor.

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Question 158

How much energy is stored by a 100 mH inductance when a current of 1 A is flowing through it ?

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Question 159

What is the Power consumed by the resistor of 20 Ω connected across 100 V source ?

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Question 160

A linear circuit is one whose parameters

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