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

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Question # 1

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

Question # 2

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 # 3

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

Question # 4

The value of resistivity is the least for:

Question # 5

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

Question # 6

The magnitude of chemical Effects depends upon:

Question # 7

The obvious effect/s of current is/are:

Question # 8

Electric flux is:

Question # 9

The current that flows through the coil of a motor causes

Question # 10

A thermistor is a resistor which is:

Question # 11

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

Question # 12

Which instrument is expensive and difficult to use?

Question # 13

Selenium is:

Question # 14

A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s

Question # 15

The surface destiny of charge is defined is:

Question # 16

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

Question # 17

Aluminum is a:

Question # 18

The charge carriers in an electrolyte are

Question # 19

An ideal voltmeter has:

Question # 20

The inkjet printer ejects a thin stream of:

Question # 21

An important part of photocopier is:

Question # 22

The free electrons in metals:

Question # 23

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

Question # 24

The fourth band is a:

Question # 25

In a metal, the valence electrons are:

Question # 26

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 27

A rheostat can e used:

Question # 28

Heating effect of current utilized in:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
2

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
3

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
4

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
5 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
6 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
7 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
8 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
9 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
10 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing

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