Second Year Physics Chapter 12 Online MCQ Test for 2nd Year Physics "Electrostatics Preparation"

FSC Part 2 Physics
Chapter 12 Test

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Physics FSC Part 2 Chapter 12 Online MCQ's Test

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Question # 1

If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.

Question # 2

A capacitor is perfect in insulator for.

Question # 3

The toner of printer is given

Question # 4

A changing electric flux creates.

Question # 5

Electric potential at a distance ''r'' from ''q'' is:

Question # 6

If the medium between the charges is not free space then electrostatic force will.be

Question # 7

Presence of dielectric always.

Question # 8

A force of 0.01 N is exerted on a charge 1.2 x 10-5 C at a certain point. The electric field at that point is

Question # 9

Coulomb /volt is called.

Question # 10

Capacitance of a capacitor does not depend upon.

Question # 11

if time constant in RC series circuit is small, then capacitor is charged or discharged.

Question # 12

The middle region of electric field is:

Question # 13

Gauss's law can only be applied to.

Question # 14

The electric field created by positive charge is:

Question # 15

The relative permitivity of air is

Question # 16

Which one of the following is correct

Question # 17

Concept of the electric field lines is introduced by

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FSC Part 2 Physics Chapter 12 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is:
A. 8 j
B. 16 j
C. 4 x 10-3j
D. 2 x 10-3j
2 the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.
A. 25 N
B. 20 N
C. 10 N
D. 15 N
3 The relative permitivity of air is
A. 79.5
B. 1.006
C. 1.06
D. 1.0006
4 A proton is about 1840 time than an electron. When it is accelerated by a potencial difference if 1 kV, its kinetic energy will be:
A. 1884 ke V
B. 1/1840 keV
C. 1 keV
D. 920 keV
5 Electron volt is the unit of.
A. Potential
B. Potential difference
C. Electric current
D. Electric energy
6 Identify the practical application of electrostatic force.
A. Inkjet printer
B. x rays
C. Laser
D. A.C. Generator
7 The toner of printer is given
A. Positive charge
B. Negative charge
C. Neutral
D. First positive then negative
8 The electric potential at a mid point in an electric dipole is.
A. 0 V
B. 0.5 V
C. 1 V
D. 1.5 V
9 if time constant in RC series circuit is small, then capacitor is charged or discharged.
A. Slowly
B. Rapidly
C. At constant rate
D. Intermittently
10 If a charge body moved against the electric field it will again
A. Potential energy
B. K.E
C. Mechanical Energy
D. Electric potential energy

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