ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

Try The MCQ's Test For ECAT Physics Chapter 12 Electrostatics

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ECAT Physics Chapter 12 Electrostatics

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Question # 1

The capacity of a parallel plat capacitor depends on the

Question # 2

If electric and gravitational force on an electron in a uniform electric field will be

Question # 3

The unit of resistance is

Question # 4

If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be

Question # 5

The unit of intensity of electric field is

Question # 6

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

Question # 7

Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is

Question # 8

The electric field will be uniform

Question # 9

Specific resistance of a wire depends upon

Question # 10

The electric field due to an infinite long thin wire at a distance R varies as

Question # 11

An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be

Question # 12

The SI unit of current is

Question # 13

Resistance of a conductor is increased, the currant will

Question # 14

At ordinary temperature, an increase in temperature increases the conductivity of

Question # 15

The dot product of electric field intensity E and vector area A is called

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ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of
A. negative charges
B. positive charges
C. protons
D. electrons
2 Which of the following represents an electric current?
A. C-1
B. CS-1
C. J.S-1
D. dynes-1
3 The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become
A. 7.20 N
B. 11.25 N
C. 22.50 N
D. 45.00
4 A condenser of capacity 50μF is charged to 10 V.The energy stored is
A. 1.25 x 10-3J
B. 3.75 x 10-3J
C. 2.5 x 10-3J
D. 5 x 10-3J
5 The SI unit of electric field intensity is
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
6 Capacitance of two or more capacitors
A. Increases in series combination
B. Increases in parallel combination
C. Remains unchanged
D. None of the above
7 The speed of randomly moving electrons depends upon
A. pressure
B. volume
C. temperature
D. mass
8 A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J
A. 5
B. 0.5
C. 0.005
D. 50
9 The electric intensity outside the two oppositely charged parallel metal plates is
A. Maximum
B. Minimum
C. Zero
D. Infinite
10 At any point on the right bisector of the line joining two equal and opposite charges
A. At electric field is zero
B. The electric potential is zero
C. The electric potential decreases with increasing distance from the centre
D. The electric field is perpendicular to the line joining the charges

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