First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)


ICS Part 1 Physics
Chapter 9 Test

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MCQ's Test For Chapter 9 "Physics ICS Part 1 Chapter 9 Online Test"

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Physics ICS Part 1 Chapter 9 Online Test

00:00
Question # 1

Algebraic sum of current meeting at a point is zero is a statement of.

Question # 2

mho m-1 is the SI unit of.

Question # 3

The vlaue of ralative parmittivity e r. for various dielectric is always.

Question # 4

Electric lines of force are.

Question # 5

The electric resistance of a metal

Question # 6

Maximum power is delivered to a load when internal resistance of soruce is.

Question # 7

If the source of e.m.f. is traversed from negative to positive terminal, the potential change is.

Question # 8

Which of the following metal has the lowest value of temperature coefficient of resistivity.

Question # 9

A heat sensitive resisstor is called.

Question # 10

Whenever current is drawn from a cell, its terminal potential differecne and emf become.

Question # 11

If chargeis mvoed against the electric field, it will gain

Question # 12

The current through a conductor is 3.0 a when it is attached across a pontntial difference of 6.0 V. How much power is used.

Question # 13

The sum of currents in various resistors meeting at a point of the circuit.

Question # 14

Ohm's law can be expressed as.

Question # 15

If the vector area is parallel to the field lies, then electric flux is.

Question # 16

Electric flux is a

Question # 17

Value of dielectric consgtant  e r for water is

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11th Class ICS Physics Chapter 9 Test

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FSc Part 1 Physics (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

2

SI Unit of EMF is.

A.

Volt

B.

Joule

C.

Both a and b

D.

Farad

3

The current through a conductor is 3.0 a when it is attached across a pontntial difference of 6.0 V. How much power is used.

A.

18 W

B.

0.5 W

C.

0.2 W

D.

9.0 W

4

Electric flux is a

A.

Scalar Quantitiy

B.

Vector Quantity

C.

Base Quantity

D.

None

5

Which of the following metal has the lowest value of temperature coefficient of resistivity.

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

6

Two pont charges  A and B are separated by 10 m. If the distance between tehm is reduced to 5 m. the force exerted on each.

A.

Decrease to half its original value

B.

Increase to twice the original value

C.

Increase four times to its original value

D.

Decreases to one quarer of its original value

7

On moving a charge of 20 Coulomb by 2 cm. 2 J of work is done, then the potential differecne between the points is.

A.

0.1 V

B.

8 V

C.

2 V

D.

0.5 V

8

The electric current may be caused due to.

A.

Electrons

B.

Negative ions

C.

Positive Ions

D.

All

9

Internal resistanc and e.m.f of a cell can be determined by an instrument.

A.

CRO

B.

AVO Meter

C.

Botha CRO and AVO meter

D.

Potentiometer

10

The vlaue of ralative parmittivity e r. for various dielectric is always.

A.

Larger than unity

B.

Less than unity

C.

Equal to unity

D.

Slightly less than unity

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