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Electric field

Authored by Sandeep tiwari

Physics

11th - 12th Grade

NGSS covered

Used 1K+ times

Electric field
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The electric field inside a spherical shell of uniform surface charge density is

Constant, less than zero

Directly proportional to the distance from the centre

zero

None of the above

Tags

NGSS.HS-PS2-4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Electric lines of force about negative point charge are

Circular, anticlockwise

Circular, clockwise

Radial, outward

Radial, inward

Tags

NGSS.HS-PS2-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are EA and EB respectively and if the displacement between A and B is r then

EA > EB

EA < EB

EA = EB / r

EA = EB / r2

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

 ABC is an equilateral triangle. Charges +q are placed at each corner. The electric intensity at O will be

 14π0(qr2)\frac{1}{4\pi\in_0}\left(\frac{q}{r^2}\right)  

 14π0(qr)\frac{1}{4\pi\in_0}\left(\frac{q}{r^{ }}\right)  

 14π0(3qr2)\frac{1}{4\pi\in_0}\left(\frac{3q}{r^2}\right)  

zero

Tags

NGSS.HS-PS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electron and a proton are in a uniform electric field, the ratio of their accelerations will be

Zero

Unity

The ratio of the masses of proton and electron

The ratio of the masses of electron and proton

Tags

NGSS.HS-PS2-4

NGSS.HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The distance between the two charges 25 \mu C and 36 \mu C is 11 cm At what point on the line joining the two, the intensity will be zero 

At a distance of 5cm from 25 \mu C

At a distance of 5cm from 36 \mu C

At a distance of 10cm from 25 \mu C

At a distance of 11 cm from 36 \mu C

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A charge particle is free to move in an electric field. It will travel

Always along a line of force

Along a line of force, if its initial velocity is zero

Along a line of force, if it has some initial velocity in the direction of an acute angle with the line of force

None of the above

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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