MCQs Physics Chapter 12 - Class 12

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Al-Huda Science Academy has designed Class 12 MCQs Physics Chapter 12 Electrostatics for board, MdCat and ECAT preparation. These MCQs help students to prepare for their entry test papers.

Chapter 12 Electrostatics includes topics:

Electric field Intensity
Electric Flux
Gauss’s Law and Applications
Electrical Potential
Electrical Field as Potential Gradient
Electron Volt
Millikan’s Oil Drop Method
Capacitance
Energy Stored in capacitor

MCQs Physics Chapter 12 Electrostatics

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#1. Capacitance in medium is:

AЄo/d

A/ЄoЄrd

AЄo/Єrd

AЄoЄr/d

#2. Electric flux will be maximum if:

θ=0

θ=270

θ=90

θ=180

#3. 1μF =

10^-9 F

10^-12 F

10^-3 F

10^-6 F

#4. Q=±ne is called:

Uniformity of charge

Quantization of charge

Amount of charge

Magnetization of charge

#5. 1pF =

10^-12 F

10^-9 F

10^-6 F

10^-3 F

#6. The formula for electric flux is:

Φ=B.A

Φ=L.A

Φ=0

Φ=E.A

#7. Wind Shield Wipers works on:

electric field intensity

Gauss' law

Ohm's law

charging and discharging

#8. Capacitor stores energy in the form of:

electric field lines

surface charges

magnetic field lines

All

#9. Electric Field Intensity is:

All

Vector Quantity

Scalar Quantity

Base Quantity

#10. Electric Field Intensity Works on:

Positive Units

Neutral Units

Negative Units

All Units

#11. Sharks have special organ to detect potential difference is:

Ampullae of Echinodermata

Ampullae of Lorenzini

Ampulla of Rectum

Ampulla of Fallopian Tube

#12. Capacitor stops:

A.C

Charges

D.C

Volts

#13. Capacitance in vacuum is:

AЄo/d

A/Єod

AЄod

Єod/A

#14. 1eV =

1.6 × 10^-25 J

6.25 × 10^25 J

6.25 × 10^-19 J

1.6 × 10^-19 J

#15. 1J =

6.25 × 10^18 eV

6.25 × 10^-19 eV

1.6 × 10^17 eV

1.6 × 10^-19 eV

#16. 1Ω x 1F =

1eV

#17. Using Gauss’ law, value of E for infinite sheet is:

σ/Єo

σ/2Єo

Double

#18. Sharks can detect potential difference upto:

nano volt

micro volt

mili volt

pico volt

#19. The unit of electric flux is:

C2/Nm

Nm2/C

NC/m2

N2m/C

#20. Electric flux is a:

All

Vector Quantity

Base Quantity

Scalar Quantity

#21. Maximum charge deposits on plate of capacitor is:

61%

64%

62%

63%

#22. Using Gauss’ law, value of E for hollow sphere is:

σ/2Єo

Double

σ/Єo

#23. Єr has unit:

#24. Surface charge density σ =

σ/A

σA

q/A

#25. The Unit for electric field intensity is:

C/Nm

Nm/C

C/Ns

Ns/C

#26. Using Gauss’ Law, value of E between two oppositely charged parallel plates is:

σ/2Єo

1/2Єo

σ/Єo

2Єo/σ

#27. Which device records voltage between points on human skin generated by brain?

COVID

EEG

ECG

MRI

#28. Dimensions of RC =

[T]

[Ωs]

[TC]

[ΩQ]

#29. Gauss’ law is applicable on:

Gaussian Surface

Hollow Surface

Spherical Surface

Rectangular Surface

#30. Drag force F =

6πηrv

6/πηrv

6πη/rv

1/6πηrv

#31. Gauss’ law for unit positive charge is:

Φ=Єo/q

Φ=q/Єo

Φ=Єo

Φ=1/Єo

#32. Time constant of charging and discharging of a capacitor t =

RxV

RxC

R/V

V/R

#33. 1V=

All

1C/1J

1J/1C

1JC

#34. In Millikan’s Oil Drop Method, the charge on oil drop is due to:

gravitational energy

work

friction

electrical energy

#35. Formula of Gauss’ law is:

Φ=m/Єo

Φ=q/Єo

Φ=Єo/q

Φ=A/Єo

#36. Charging and Discharging of capacitor is a process:

off and on

continuous

in motion

in rest

#37. In Millikan’s Oil drop method, charge on oil droplet is integral multiple of:

1.6 × 10^19 C

6.63 × 10^-34 C

1.6 × 10^-19 C

6.673 × 10^-11 C

#38. In Millikan’s Oil Drop Method, the magnitude of charge q =

dv/mg

mg/dv

mgv/d

mgd/v

#39. In Millikan’s Oil Drop Method, the charge on oil drop is:

None

positive

negative

no charge

#40. Capacitor is used to store:

potential difference

volts

density

charges

#41. Gaussian surface is:

Non-Uniform and Real

Uniform and Real

Non-Uniform and Imaginary

Uniform and Imaginary

#42. Electric flux will be minimum if:

θ=0

θ=180

θ=90

θ=270

#43. The branch of Physics deals with charges at rest is:

Electrodynamics

Electrostatics

Electrochemistry

Electromagnetism

#44. Which device records voltage between points on human skin generated by heart?

EEG

MRI

COVID

ECG

#45. Gauss’ law applied to find:

Electric field lines

Coulomb's law

Electrical energy

Electric field Intensity

Finish

MCQs Physics Chapter 12 Electrostatics

Results

#1. Capacitance in medium is:

#2. Electric flux will be maximum if:

#3. 1μF =

#4. Q=±ne is called:

#5. 1pF =

#6. The formula for electric flux is:

#7. Wind Shield Wipers works on:

#8. Capacitor stores energy in the form of:

#9. Electric Field Intensity is:

#10. Electric Field Intensity Works on:

#11. Sharks have special organ to detect potential difference is:

#12. Capacitor stops:

#13. Capacitance in vacuum is:

#14. 1eV =

#15. 1J =

#16. 1Ω x 1F =

#17. Using Gauss’ law, value of E for infinite sheet is:

#18. Sharks can detect potential difference upto:

#19. The unit of electric flux is:

#20. Electric flux is a:

#21. Maximum charge deposits on plate of capacitor is:

#22. Using Gauss’ law, value of E for hollow sphere is:

#23. Єr has unit:

#24. Surface charge density σ =

#25. The Unit for electric field intensity is:

#26. Using Gauss’ Law, value of E between two oppositely charged parallel plates is:

#27. Which device records voltage between points on human skin generated by brain?

#28. Dimensions of RC =

#29. Gauss’ law is applicable on:

#30. Drag force F =

#31. Gauss’ law for unit positive charge is:

#32. Time constant of charging and discharging of a capacitor t =

#33. 1V=

#34. In Millikan’s Oil Drop Method, the charge on oil drop is due to:

#35. Formula of Gauss’ law is:

#36. Charging and Discharging of capacitor is a process:

#37. In Millikan’s Oil drop method, charge on oil droplet is integral multiple of:

#38. In Millikan’s Oil Drop Method, the magnitude of charge q =

#39. In Millikan’s Oil Drop Method, the charge on oil drop is:

#40. Capacitor is used to store:

#41. Gaussian surface is:

#42. Electric flux will be minimum if:

#43. The branch of Physics deals with charges at rest is:

#44. Which device records voltage between points on human skin generated by heart?

#45. Gauss’ law applied to find:

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