phy pt1

phy pt1

12th Grade

20 Qs

quiz-placeholder

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 phy pt1

phy pt1

Assessment

Quiz

Physics

12th Grade

Practice Problem

Medium

Created by

Sanjeev Gupta

Used 5+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the angle between electric dipole moment and Electric Field , when the dipole is in stable equilibrium

0
π/4
π/2
π

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the total charge enclosed by closed surface if the number of electric lines of force entering it is 10,000 and leaving 20,000.

8.85x10 -8 C
8.85x10 -7 C
8.85x10 -9 C
8.85x10 -10 C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A imaginary Gaussian surface shown in figure: The Electric Field on surface will be

due to q 1 and q 2 only
due to q 2 only
zero
due to all the charges

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Gaussian surface needed for calculating the electric field due to charge distribution is

Any surface around the charge distribution
Only spherical surface
Any closed surface around the charge
Only cylindrical surface

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An electric dipole with electric dipole moment 4x10 -9 C m is aligned at 30 degree with the direction of uniform electric field of magnitude 5x10 4 N/C , calculate the magnitude of the torque acting on the dipole

10 -2 Nm
10 -4 Nm
10 -3 Nm
10 -5 Nm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following graph represent the variation of electric field intensity E(r) due to charged spherical shell of radius R with distance r from its centre

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the angle between electric dipole moment and Electric Field strength due to it on the axial line

0 degree
90 degree
180 degree
None of these

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