Electrostatics Archives

11. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

60 N

30 N

40 N

15 N

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distance between the charges is doubled, the force will be" class="read-more button" href="https://exam.pscnotes.com/mcq/the-force-between-two-charges-is-120-n-if-the-distance-between-the-charges-is-doubled-the-force-will-be/#more-49869">Detailed Solution

12. Which of the following materials has the highest value of dielectric constant?

Glass

Vacuum

Ceramics

Oil

Detailed Solution

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class="screen-reader-text">Which of the following materials has the highest value of dielectric constant?

13. Dielectric strength ______ with increasing thickness

increases

decreases

remains unaltered

none of the above

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button" href="https://exam.pscnotes.com/mcq/dielectric-strength-______-with-increasing-thickness/#more-49244">Detailed Solution

14. The capacitance between two plates increases with

shorter plate area and higher applied voltage

shorter plate area and shorter distance between them

larger plate area, longer distance between plates and higher,applied voltage

larger plate area and shorter distance between plates

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capacitance between two plates increases with" class="read-more button" href="https://exam.pscnotes.com/mcq/the-capacitance-between-two-plates-increases-with/#more-49214">Detailed Solution

15. A condenser suitable for D.C. only is

Metallic plate variable gang condenser

Metallic paper capacitor

only is A. Metallic plate variable gang condenser B. Metallic paper capacitor C. Oil impregnated paper condenser

Poled aluminium electrolytic condenser

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for D.C. only is" class="read-more button" href="https://exam.pscnotes.com/mcq/a-condenser-suitable-for-d-c-only-is/#more-48928">Detailed Solution

16. The unit of dielectric strength is given by

V/m

V2/m

m/V

m/V2

Detailed

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Solution

17. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

Paper capacitor

Ceramic capacitor

Electrolytic capacitor

Any-of the above

Detailed SolutionA capacitor in a circuit became hot

and ultimately exploded due to wrong connections, which type of capacitor it could be ?

18. For closer tolerances which of the following capacitors is usually preferred ?

Paper capacitor

Mica capacitor

Ceramic disc capacitor

None of the above

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19. The presence of an uncharged conductor near a charged one increases the

charge of the charged conductor

capacity of the charged conductor

potential of the charged conductor

all of the above

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target="_blank" class="youtube-subscribe-button"> Subscribe on YouTube charged one increases the" class="read-more button" href="https://exam.pscnotes.com/mcq/the-presence-of-an-uncharged-conductor-near-a-charged-one-increases-the/#more-48586">Detailed Solution

20. When a dielectric is placed in an electric field the field strength

decreases

increases

reduces to zero

remain unchanged

Detailed SolutionWhen a

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dielectric is placed in an electric field the field strength

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