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 ideal voltmeter has:

Question # 2

As the current flows through the wire

Question # 3

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

Question # 4

An important part of photocopier is:

Question # 5

An eV is unit of:

Question # 6

The value of resistivity is the least for:

Question # 7

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 8

The surface destiny of charge is defined is:

Question # 9

Thermistors are prepared under

Question # 10

Heating effect of current utilized in:

Question # 11

Electric flux is:

Question # 12

A thermistor is a resistor which is:

Question # 13

Kirchhoff's first rule is also called:

Question # 14

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 # 15

An important part of inkjet printer is:

Question # 16

Aluminum is a:

Question # 17

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

Question # 18

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

Question # 19

Most practical applications of electricity involve

Question # 20

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

Question # 21

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

Question # 22

Which instrument is expensive and difficult to use?

Question # 23

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

Question # 24

Conversion of chemical energy to electrical energy can be achieved by:

Question # 25

Electric field lines emerge from the charge in:

Question # 26

Which of the following substances has got positive temperature coefficient of resistance?

Question # 27

Another mean of electric potential energy per unit charge is given by:

Question # 28

An electric field is generated along the wire when:

Question # 29

The free electrons in metals:

Question # 30

The magnitude of chemical Effects depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
2 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
3 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
4

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:
A.

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
5

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
6 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
7 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
8

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
9 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
10

In case of two identical charges placed certain distance apart, the electric field lines are:
A.

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)

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