LMRC 2018 JE EC Exam: Tech Quiz 4

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Question 1

The gain of an FET amplifier can be changed by changing:

• A
• B
• C
• DNone of these

Question 2

A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is:

• A0 °
• B30 °
• C45 °
• D60 °

Question 3

A capacitor used for power factor correction in single phase circuit decreases:

• APower factor
• BLine current
• CBoth line current and p.f.
• DThe line current and increases p.f.

Question 4

Schering bridge is used to measure

• AFrequency
• BInductance
• CCapacitance
• DMutual Inductance

Question 5

The circuit given below is a

• AJ-K Flip-flop
• BJohnson’s counter.
• CR-S latch.
• DNone of these

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