Electrostatics Archives

21. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?

50 pF

100 pF

150 pF

200 pF

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pF condenser to make an equivalent capacitance of 150 pF ?" class="read-more button" href="https://exam.pscnotes.com/mcq/what-is-the-value-of-capacitance-that-must-be-connected-in-parallel-with-50-pf-condenser-to-make-an-equivalent-capacitance-of-150-pf/#more-57109">Detailed Solution

22. The dielectric constant (relative permittivity) of glass is given by

0.1 to 0.4

0.5 to 1.0

2.0 to 4.0

5 to 100

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href="https://exam.pscnotes.com/mcq/the-dielectric-constant-relative-permittivity-of-glass-is-given-by/#more-56972">Detailed Solution

23. The electric field at a point situated at a distance d from straight charged conductor is

proportional to d

inversely proportional to d

none of the above

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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

straight charged conductor is" class="read-more button" href="https://exam.pscnotes.com/mcq/the-electric-field-at-a-point-situated-at-a-distance-d-from-straight-charged-conductor-is/#more-56729">Detailed Solution

24. Which of the following capacitors will have the least variation?

Paper capacitor

Ceramic capacitor

Silver plated mica capacitor

None of the above

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288 64S117.2 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 the least variation?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-capacitors-will-have-the-least-variation/#more-56282">Detailed Solution

25. In a capacitive circuit

a steady value of applied voltage causes discharge

an increase in applied voltage makes a capacitor charge

none of the above

Detailed SolutionIn a capacitive circuit

26. In the case of a lossy capacitor, its series equivalent resistance value will be

small

very small

large

zero

Detailed SolutionIn the case

of a lossy capacitor, its series equivalent resistance value will be

27. A capacitor consists of

two insulators separated by a conductor

two conductors separated by an insulator

two insulators only

two conductors only

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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 title="A capacitor consists of" class="read-more button" href="https://exam.pscnotes.com/mcq/a-capacitor-consists-of/#more-55800">Detailed Solution