Question # 1

When some di electric is inserted between the plates of a capacitor, then capacitance.

Choose an answer

Decreases

Increases

Becomes zero

Becomes infinity

Conductors have conductivities of order:

Choose an answer

10³(Ωm)-1

10⁷(Ωm)^-1

10⁷Ωm^-1

10^-6Ω

Charge carriers in electrolytes are.

Choose an answer

Protons

Electrons

Holes

Positive and Negative ions

The AC system is preferred to DC system because:

Choose an answer

AC voltage can be easily changed in magnitude

DC motor angular velocity is affected badly

High voltage AC transmission is less efficient

Domestic appliance require AC voltage for their operation

A pair of quark and anti quark makes a.

Choose an answer

Meason

harden

Lapton

Baryon

the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.

Choose an answer

25 N

20 N

10 N

15 N

The number of neutrons in Li are

Choose an answer

2

3

4

7

The material whose resistivity becomes zero below a certain temperature

Choose an answer

Conductors

Semi conductors

Super conductors

Insulators

A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.

Choose an answer

Speed

Kinetic energy

Path of motion

angular velocity

Radius of first Bohr's orbit is.

Choose an answer

0.053 nm

0.053 mm

0.053 micro meter

0.053 m

A positive charge is moving towards an observer, The direction of magnetic induction will be.

Choose an answer

Toward right

Anti clockwise

Clockwise

Toward left

Balmer series lies in region of electromagnetic spectrum.

Choose an answer

Infrared

Visible

Ultraviolet

Fra infrared

In chopke coil the resistance X_L an resistance R are:

Choose an answer

X_L=R

X_L<<R

X_L>>R

X_L=∞

The phase difference between current and voltage in an inductive circuit is.

Choose an answer

zero

90 ^o

180 ^o

45^o

The SI unit of magnetic permeability is.

Choose an answer

WbA-1m-1

Wbm-2

WbmA-1

WbAm-1

In CRO, the output waveform of time base generator is

Choose an answer

Circular

Square

Sinusoidal

Saw-toothed

Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?

Choose an answer

3 RΩ

2R /4Ω

R/3Ω

2R /3Ω

A charged conductor has charge on its.

Choose an answer

Inner surface

Outer surface

Middle surface

Surrounding space

More Classes

Other Links

Physics Fsc Part 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer