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

An eV is unit of:

Question # 2

In a metal, the valence electrons are:

Question # 3

Aluminum is a:

Question # 4

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

Question # 5

Tick the correct statement:

Question # 6

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

Question # 7

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

Question # 8

A rheostat can e used:

Question # 9

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

Question # 10

The current that flows through the coil of a motor causes

Question # 11

The charge carriers in an electrolyte are

Question # 12

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

Question # 13

An electric field is generated along the wire when:

Question # 14

The inkjet printer ejects a thin stream of:

Question # 15

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

Question # 16

The strength of magnetic field at certain points around a wire depends upon:

Question # 17

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 18

The flux through a closed surface depends upon:

Question # 19

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

Question # 20

A field free region is found:

Question # 21

The third band of the colour code:

Question # 22

Electric field lines emerge from the charge in:

Question # 23

An inkjet printer uses in its operation:

Question # 24

In gases, the charge carriers are:

Question # 25

The emf is measured in:

Question # 26

Electric flux is:

Question # 27

Field lines are closer to each other in the region where the field is:

Question # 28

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 # 29

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

Question # 30

The value of relative permittivity of different dielectrics are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
2 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
3

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
4 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
5 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
6

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
7 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
8 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
9 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
10 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B

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