Electrostatics Archives

61. 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

the 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

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

Glass

Vacuum

Ceramics

Oil

Detailed SolutionWhich of

the following materials has the highest value of dielectric constant?

63. Dielectric strength ______ with increasing thickness

increases

decreases

remains unaltered

none of the above

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64. 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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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

65. 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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class="read-more-container">Detailed Solution

66. The unit of dielectric strength is given by

V/m

V2/m

m/V

m/V2

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67. 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

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132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube due to wrong connections, which type of capacitor it could be ?" class="read-more button" href="https://exam.pscnotes.com/mcq/a-capacitor-in-a-circuit-became-hot-and-ultimately-exploded-due-to-wrong-connections-which-type-of-capacitor-it-could-be/#more-48860">Detailed Solution

68. 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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target="_blank" class="youtube-subscribe-button"> Subscribe on YouTube capacitors is usually preferred ?" class="read-more button" href="https://exam.pscnotes.com/mcq/for-closer-tolerances-which-of-the-following-capacitors-is-usually-preferred/#more-48757">Detailed Solution