ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

Most practical application of electricity involve

Question # 2

Most practical applications of electricity involve

Question # 3

The interior of a hollow charged metal sphere is a region which:

Question # 4

When certain area A is held parallel to the field lines, then:

Question # 5

In a metal, the valence electrons are:

Question # 6

The obvious effect/s of current is/are:

Question # 7

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 8

The charge carriers in an electrolyte are

Question # 9

The fourth band is a:

Question # 10

Gaussian surface is always:

Question # 11

The effects of bends in a wire on its electrical resistance are:

Question # 12

In gases, the charge carriers are:

Question # 13

The term drift velocity is used when the ends of a wire are:

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 16

The quantity having the same unit as that of emf is:

Question # 17

The current that flows through the coil of a motor causes

Question # 18

An ideal voltmeter has:

Question # 19

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 20

A field free region is found:

Question # 21

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 22

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 23

Heating effect of current utilized in:

Question # 24

The third band of the colour code:

Question # 25

The emf is measured in:

Question # 26

The device which can convert heat energy into electrical energy is called:

Question # 27

Aluminum is a:

Question # 28

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 29

In case of metallic conductors, the change carries are:

Question # 30

The example/s of non-electrical energy to electrical is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The rate at which the free electrons pass through any section of a metallic wire from right to left is:
A.

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
2 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
3

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
4 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
5

Two dissimilar metals joined at their ends kept at constant temperature constitute:
A.

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
6 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
7 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
8

The current that flows through the coil of a motor causes:
A.

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
9 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
10

Electrostatics is the branch of physics which deals with the study of electro charges:
A.

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion

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