BITSAT SERIES
Physics

Gauss Law

8 previous year questions.

Volume: 8 Ques
Yield: Medium

High-Yield Trend

1
2021
3
2017
1
2015
1
2012
2
2010

Chapter Questions
8 MCQs

01
PYQ 2010
medium
physics ID: bitsat-2
A charge +q is at a distance L/2 above a square of side L. Then what is the flux linked with the surface?
1
q4₀
2
2q3₀
3
q6₀
4
6q₀
02
PYQ 2010
easy
physics ID: bitsat-2
A point charge is placed at the centre of a cube of side . The electric flux emerging from the cube is
1
2
Zero
3
4
03
PYQ 2012
medium
physics ID: bitsat-2
In a region of space having a uniform electric field , a hemispherical bowl of radius is placed. The electric flux through the bowl is:
1

2

3

4

04
PYQ 2015
medium
physics ID: bitsat-2
At the corners of an equilateral triangle of side a ( meter), three point charges are placed (each of ). If this system is supplied energy at the rate of , then calculate the time required to move one of the mid-point of the line joining the other two.
1
50 h
2
60 h
3
48 h
4
54 h
05
PYQ 2017
medium
physics ID: bitsat-2
A capillary tube of radius is immersed in water and water rises in it to a height . Mass of water in the capillary tube is . If the radius of the tube is doubled, mass of water that will rise in the capillary tube will now be :
1
M
2
2 M
3
M/2
4
4 M
06
PYQ 2017
medium
physics ID: bitsat-2
A disk of radius having a uniformly distributed charge is placed in the x-y plane with its centre at . A rod of length carrying a uniformly distributed charge is placed on the x-axis from to . Two point charges and are placed at and respectively. Consider a cubical surface formed by six surfaces , , . The electric flux through this cubical surface is

1

2

3

4
(12C)/(varepsilon₀)
07
PYQ 2017
medium
physics ID: bitsat-2
Two concentric conducting thin spherical shells and having radii and are charged to and . The electrical field along a line passing through the centre is
1
2
3
4
08
PYQ 2021
medium
physics ID: bitsat-2

A disk of radius a/4 having a uniformly distributed charge -6C is placed in the x-y plane with its centre at (-a/2,0,0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x = a/4 to x = 5a/4. Two point charges -7C and 3C are placed at (-a/4,0,0) and (-3a/4,3a/4,0), respectively. Consider a cubical surface formed by six surfaces x=± a/2, y=± a/2, z=± a/2. The electric flux through this cubical surface is

1
-(2C)/(varepsilon₀)
2
(2C)/(varepsilon₀)
3
(10C)/(varepsilon₀)
4
(12C)/(varepsilon₀)