AFCAT-EKT : EE Quiz 11

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Question 1

The losses in an alternator are the same as in

• Aa d.c. machine
• Ba transformer
• Ca rectifier
• Dnone of the above

Question 2

A capacitor of 20μF charged to 500 V is connected in parallel with another of 10μF capacitance charged to 200 V. The loss of energy is

• A2.3 J
• B4.6 J
• C0.3 J
• D1.2 J

Question 3

The voltage across a capacitor is

The current through the capacitor is

• A
• B
• C
• Dnone of the above

Question 4

In bringing an electron towards another electron, electrostatic potential energy

• Aincreases
• Bdecreases
• Cbecomes zero
• Dremains the same

Question 5

An electromagnet can be made by ____.

• ASingle Touch method
• BDouble Touch method
• CDivided Touch method
• Dpassing current through a Solenoid

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