Electrostatics

41. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as

Photoelectric effect
Chemical effect
Magnetic effect
Induction

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body is known as" class="read-more button" href="https://exam.pscnotes.com/mcq/the-phenomenon-of-an-uncharged-body-getting-charged-merely-by-the-nearness-of-a-charged-body-is-known-as/#more-52073">Detailed SolutionThe phenomenon of
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an uncharged body getting charged merely by the nearness of a charged body is known as

42. Which of the following capacitors is marked for polarity ?

Air
Paper
Mica
Electrolytic

Detailed Solution

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class="screen-reader-text">Which of the following capacitors is marked for polarity ?

43. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

0.024 F
0.12 F
0.6 F
0.8 F

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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
button" href="https://exam.pscnotes.com/mcq/a-capacitor-stores-0-24-coulombs-at-10-volts-its-capacitance-is/#more-51760">Detailed SolutionA capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

44. The relative permittivity has the following units

F/m
m/F
Wb/m
no units

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button" href="https://exam.pscnotes.com/mcq/the-relative-permittivity-has-the-following-units/#more-51742">Detailed SolutionThe relative permittivity has the following units

45. An electric field line and an equipotential surface are

Always parallel
Always at 90°
Inclined at any angle
None of the above

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button" href="https://exam.pscnotes.com/mcq/an-electric-field-line-and-an-equipotential-surface-are/#more-51652">Detailed SolutionAn electric field line and an equipotential surface are

46. Which of the following is not a vector ?

Linear momentum
Angular momentum
Electric field
Electric potential

Detailed

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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
SolutionWhich of the following is not a vector ?

47. Electric displacement is a______quantity.

scalar
vector
both of the above
none of the above

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a______quantity." class="read-more button" href="https://exam.pscnotes.com/mcq/electric-displacement-is-a______quantity/#more-51156">Detailed SolutionElectric displacement is a______quantity.

48. Electric field intensity is a quantity

scalar
vector
both (A) and (B)
none of the above

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button" href="https://exam.pscnotes.com/mcq/electric-field-intensity-is-a-quantity/#more-51026">Detailed SolutionElectric field intensity is a quantity

49. capacitors can be used only for D.C.

Air
Paper
A. Air B. Paper C. Mica
Electrolytic

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button" href="https://exam.pscnotes.com/mcq/capacitors-can-be-used-only-for-d-c/#more-50995">Detailed Solutioncapacitors can be used only for D.C.

50. capacitors are mainly used for radio frequency tuning.

Paper
Air
Mica
Electrolytic

Detailed Solutioncapacitors

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are mainly used for radio frequency tuning.

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