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Electrician
Electrician Set-1
Capacitors
30

Capacitors MCQ - Electrician (Set-1) with Answers

30) Find the value of the capacitance of a capacitor that requires 0.5 coulomb to charge it to 25 volts ?

0.02 farad

0.002 farad

0.0002 farad

0.00002 farad

Answer is:

0.02 farad

Capacitors MCQ - Electrician (Set-1) with Answers

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Related Capacitors MCQ - Electrician (Set-1) with Answers

31) Two capacitors of 3 micro F each are connected in parallel. Their total effective capacitance is :

1.5 micro F

3 micro F

6 micro F

12 micro F

Answer is:

6 micro F

32) The type of capacitor used in capacitor start motor is :

electrolytic capacitor

ceramic capacitor

paper capacitor

mica capacitor

Answer is:

electrolytic capacitor

33) A 6 amps 250 V switch which controls an equipment is found to be sparking on operation and gets damaged often. The spark that occurs in the switch contacts can be reduced by connecting one of the following devices across the contacts. The device is a :

capacitor

inductor

high resistance

low resistance

Answer is:

capacitor

34) What is the effect on the capacitance value if the dielectric constant of the material of the capacitor is increased ?

Capacitance value increases

Capacitance value decreases

Capacitance value remains same

Capacitance value becomes zero

Answer is:

Capacitance value increases

Capacitors MCQ - Electrician (Set-1) with Answers

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