Question # 1

S.I unit of strength of electric field is

Choose an answer

J/C

C/V

V/C

N/C

Dielectric constant _εr for air is:

Choose an answer

1

1.006

1.0002

1.0006

The relative permitivity of air is

Choose an answer

79.5

1.006

1.06

1.0006

One joule is equal to.

Choose an answer

1.6 x 10¹⁹ eV

1.6 x 10^-19 eV

6.25 x 10^-18 eV

6.25 x 10 ¹⁸ eV

If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.

Choose an answer

Two times

Eight times

Four times

Remain same

Gauss's law can only be applied to.

Choose an answer

A curved surface

A flat surface

A closed surface

A surface of any shape

Identify the practical application of electrostatic force.

Choose an answer

Inkjet printer

x rays

Laser

A.C. Generator

The "toner" of photocopier is given:

Choose an answer

Positive charge

Negative charge

Remains neutral

All of above

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then

Choose an answer

The charge in the plates reduces and potencial difference increase

Potencial difference between the plates increase, stored energy decreases and charge remains the same

Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged

None of them

The photo copying process is called

Choose an answer

Xerography

Inkjet Printer

Both (a) and (b)

None of these

The SI unit of relative permittivity is.

Choose an answer

Fm-1

C2N-1m-2

Nm2C-2

No unit

The capacitance of a capacitor depends upon.

Choose an answer

Thickness of plates

Charges on the plates

Voltage applied

Geometry of the capacitor

The electrical intensity is equal to:

Choose an answer

-Δr/Δv

Δv/Δr

Δv/Δv

-Δv/Δr

Drum of photocopier is made of.

Choose an answer

Copper

Aluminum

Nickel

Cobalt

Charge carriers in electrolytes are.

Choose an answer

Protons

Electrons

Holes

Positive and Negative ions

Metals are good conductors of electricity because they have

Choose an answer

Large number of bounded electrons

Small number of electrons

Large number of free electrons

Small number of free electrons

The middle region of electric field is:

Choose an answer

Maximum field spot

Zero field spot

Perpendicular field spot

All of above

The electrons in one coulomb change is equal to.

Choose an answer

1.6 x 10^-19

2.25 x 10^-19

6.25 x 10^-18

6.25 x 10^-19

More Classes

Other Links

Ics Part 2 Physics Chapter 1 Test Online 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