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
Question 152
2.If two capacitances $$C_{1} and C_{2} $$ are connected in parallel then the equivalent capacitance is given by
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
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
Question 157
The rate of change of current in a 4 H inductor is 2 Amps/ sec. Find the voltage across inductor.
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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