Electrostatics

1. The number of Faraday tubes of flux passing through a surface in an electric field is called

electric flux
electric flux density
magnetic flux density
electric charge density

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electric field is called" class="read-more button" href="https://exam.pscnotes.com/mcq/the-number-of-faraday-tubes-of-flux-passing-through-a-surface-in-an-electric-field-is-called/#more-59751">Detailed SolutionThe number of Faraday tubes of flux passing through a surface in an electric field is called

2. Which of the following statements is incorrect ?

The leakage resistance of ceramic capacitors is generally high
The stored energy in a capacitor decreases with reduction in value of capacitance
A wire cable has distributed capacitance between the conductors

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class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-statements-is-incorrect-10/#more-59749">Detailed SolutionWhich of the following statements is incorrect ?

3. The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be

36 x 10 fa
36 x 107 N
36 x 108 N
36 x 109 N

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one coulomb each and placed at a distance of 0.5 m will be" class="read-more button" href="https://exam.pscnotes.com/mcq/the-electrostatic-force-between-two-charges-of-one-coulomb-each-and-placed-at-a-distance-of-0-5-m-will-be/#more-59605">Detailed SolutionThe electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be

4. If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be

800 uC
900 uC
1200 uC
1600 uC

Detailed SolutionIf a 6 uF capacitor

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is charged to 200 V, the charge in coulombs will be

5. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?

50
100
150
200

Detailed SolutionVoltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than

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air. What will be the value of dielectric constant ?

6. _______ field is associated with the capacitor.

Electric
Magnetic
Both (A) and (B)
None of the above

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button" href="https://exam.pscnotes.com/mcq/_______-field-is-associated-with-the-capacitor/#more-59475">Detailed Solution_______ field is associated with the capacitor.

7. Which of the following capacitors has relatively shorter shelf life ?

Mica capacitor
Electrolytic capacitor
Ceramic capacitor
Paper capacitor

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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 href="https://exam.pscnotes.com/mcq/which-of-the-following-capacitors-has-relatively-shorter-shelf-life/#more-59466">Detailed SolutionWhich of the following capacitors has relatively shorter shelf life ?

8. What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?

It will become magnetic
It will melt
It will get punctured or cracked
Its molecular structure will get changed

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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 happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?" class="read-more button" href="https://exam.pscnotes.com/mcq/what-will-happen-to-an-insulating-medium-if-voltage-more-than-the-breakdown-voltage-is-applied-on-it/#more-59323">Detailed SolutionWhat will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?

9. The ability of charged bodies to exert force on 6ne another is attributed to the existence of

electrons
protons
neutrons
electric field

Detailed SolutionThe ability of charged

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bodies to exert force on 6ne another is attributed to the existence of

10. If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

Charged
Short-circuited
Lossy
Satisfactory

Detailed SolutionIf

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an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

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