Electrostatics

title="A capacitor consists of two" class="read-more button" href="https://exam.pscnotes.com/mcq/a-capacitor-consists-of-two/#more-50664">Detailed SolutionA capacitor consists of two

54. at a point is equal to the negative potential gradient at that point.

Electric intensity
Electric flux
Magnetic flux
Magnetic flux density

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class="read-more button" href="https://exam.pscnotes.com/mcq/at-a-point-is-equal-to-the-negative-potential-gradient-at-that-point/#more-50657">Detailed Solutionat a point is equal to the negative potential gradient at that point.

55. A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 103 N, is known as

milli-coulomb
micro-coulomb
pico-coulomb
coulomb

Detailed SolutionA charge which when placed in vacuum from an equal and similar charge repels

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with a force of 9 x 103 N, is known as

56. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

50 joules
150 joules
200 joules
250 joules

Detailed SolutionA capacitor having capacitance of 5 uF is charged to a

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64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 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

potential difference of 10,000 V. The energy stored in the capacitor is

57. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is

100 kV/m
10 kV/m
5 kV/m
2 kV/m

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class="read-more button" href="https://exam.pscnotes.com/mcq/a-potential-of-400-v-is-applied-to-a-capacitor-the-plates-of-which-are-4-mm-apart-the-strength-of-electric-field-is/#more-50300">Detailed SolutionA potential
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of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is

58. The minimum value of potential gradient in a cable occurs in

insulation
conductor
outer sheath
uniformly all over

Detailed SolutionThe

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6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 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

minimum value of potential gradient in a cable occurs in

59. The breakdown voltage for paper capacitors is usually

20 to 60 volts
200 to 1600 volts
2000 to 3000 volts
more than 10000 volts

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capacitors is usually" class="read-more button" href="https://exam.pscnotes.com/mcq/the-breakdown-voltage-for-paper-capacitors-is-usually/#more-50146">Detailed SolutionThe breakdown voltage for paper capacitors is usually

60. A paper capacitor is usually available in the form of

tubes
rolled foil
disc
meshed plates

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button" href="https://exam.pscnotes.com/mcq/a-paper-capacitor-is-usually-available-in-the-form-of/#more-49900">Detailed SolutionA paper capacitor is usually available in the form of
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