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

In order to have a constant current through wire, the potential difference across its end should:

Question # 2

The flux through a closed surface depends upon:

Question # 3

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

Question # 4

In gases, the charge carries are:

Question # 5

In a metal, the valence electrons are:

Question # 6

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

Question # 7

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

Question # 8

The obvious effect/s of current is/are:

Question # 9

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

Question # 10

A thermistor is a resistor which is:

Question # 11

An important part of photocopier is:

Question # 12

Thermistors are prepared under

Question # 13

Most practical application of electricity involve

Question # 14

The charge carries in the electrolyte are:

Question # 15

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

Question # 16

The inkjet printer ejects a thin stream of:

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 magnitude of chemical Effects depends upon:

Question # 19

Gaussian surface is always:

Question # 20

Kirchhoff's first rule is also called:

Question # 21

Tick the correct statement:

Question # 22

SI unit of current describes the flow of charge at the rate of

Question # 23

Magnetic effect of current is used:

Question # 24

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

Question # 25

The emf is measured in:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

The electric flux through any surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
2 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
3 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4

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
5 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
6 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
7 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
8 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
9

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
10

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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