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SSC JE 2019-20 Technical Quiz 77
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Question 1
The magnetic flux linking a coil having 200 turns is 40 mWb. Calculate the average emf (in V) induced in the coil. If this magnetic lux is reversed in a time of 5 milliseconds.
Question 2
The angular velocity of the waveform is given as 440 rad/sec. Calculate the frequency (in Hz) of the waveform.
Question 3
For a three-phase system, calculate the instantaneous voltage (in V) of phase Y, if the instantaneous voltages of other two phases are +70 V and -50 V respectively.
Question 4
What is the form factor of a square wave?
Question 5
Calculate the average value of sinusoidal wave cos2 θ over a complete cycle.
Question 6
A coil of resistance 10 ohms and inductance 10 mH is connected in a series with a 0.01 mF capacitor. Find the value of current (in A) at resonance, if the circuit is connected across 10 V supply.
Question 7
What will be the average v4ie of the voltage (in V), if a sinusoidal 4emating current of 15 A is flowing across a resistance of 25 ohms?
Question 8
For the figure shown below, the power consumed in the load is 345 W. What is the value of line current ‘l’ (in A)?
Question 9
Which element in CRO is used to collect secondary emission electrons?
Question 10
If starting winding of a single-phase induction motor is left open in the circuit, it will
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ESE & GATE EEGeneralAug 10ESE & GATE EE
