ECAT Pre Computer Science Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 13 Current Electricity

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

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ECAT Physics Chapter 13 Current Electricity

00:00
Question # 1

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

Question # 2

Magnetic effect of current is used:

Question # 3

An eV is unit of:

Question # 4

In gases, the charge carriers are:

Question # 5

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

Question # 6

The earth’s potential and potential at infinity are taken:

Question # 7

Most practical applications of electricity involve

Question # 8

Xerography means:

Question # 9

In a metal, the valence electrons are:

Question # 10

As the current flows through the wire

Question # 11

The emf is measured in:

Question # 12

In case of metallic conductors, the change carries are:

Question # 13

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

Question # 14

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

Question # 15

The magnitude of chemical Effects depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
2

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
3 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
4 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
5 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
8

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
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 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)

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