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AMUEEE SERIES
Physics

Electric Charges And Fields

11 previous year questions.

Volume: 11 Ques
Yield: Medium

High-Yield Trend

1
2018
2
2015
3
2014
2
2013
1
2011
2
2010

Chapter Questions
11 MCQs

01
PYQ 2010
medium
physics ID: amueee-2
Under the action of a given coulombic force the acceleration of an electron is . Then the magnitude of the acceleration of a proton under the action of same force is nearly
1
2
3
4
02
PYQ 2010
medium
physics ID: amueee-2
An electron initially at rest falls a distance of in a uniform electric field of magnitude . The time taken by the electron to fall this distance is
1
2
3
4
03
PYQ 2011
medium
physics ID: amueee-2
A spherical conducting shell of inner radius and outer radius has a charge . A charge is placed at the centre of the shell. The surface charge density on the inner and outer surfaces of the shell will be
1
and
2
and
3
and
4
and
04
PYQ 2013
medium
physics ID: amueee-2
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of when separated by , center to center. The spheres are then connected by a thin conducting wire. When the wire is removed the spheres repel each other with an electrostatic force of . The initial charges on the spheres were
1
2
3
4
05
PYQ 2013
medium
physics ID: amueee-2
A non-conducting sphere of radius a has a net charge uniformly distributed throughout its volume. A spherical conducting shell having inner and outer, radii b and c and a net charge is concentric with the sphere (see the figure). Read the following statements (i) The electric field at a distance from the center of the sphere = (ii) The electric field at distance from the center of the sphere for (iii) The electric field at distance from the center of the sphere for (iv) The charge on the inner surface of the hollow sphere = (v) The charge on the outer surface of the hollow sphere = .
1
(i) (ii) and (v)
2
(i), (iii) and (iv)
3
(ii), (iii) and (iv)
4
(ii), (iii) and (v)
06
PYQ 2014
medium
physics ID: amueee-2
A uniformly charged conducting sphere of diameter has a surface charge density of . Find the total electric flux leaving the surface of the sphere.
1
2
3
4
Zero
07
PYQ 2014
medium
physics ID: amueee-2
In Millikans experiment, an oil drop of radius am and density is suspended when a downward electric field of is applied. What is the charge on the drop in terms of ?
1
-9e
2
-7e
3
-5e
4
-3e
08
PYQ 2014
medium
physics ID: amueee-2
Figure shows three particles with charges and , each a distance from the origin. Find the net electric field at the origin.
1
towards + ve x-axis
2
towards + ve x-axis
3
towards - ve x-axis
4
Zero
09
PYQ 2015
medium
physics ID: amueee-2
A charge is to be divided on two objects. The values of the charges on the objects so that the force between the objects can be maximum are
1
2
3
4
10
PYQ 2015
medium
physics ID: amueee-2
An oil drop of excess electrons is held stationary under a constant electric field in Millikan?s oil drop experiment. The density of oil is . The radius of the drop is
1
2
3
4
11
PYQ 2018
medium
physics ID: amueee-2
Figure shows three arrangements of electric field lines. In each arrangement, a proton is released from rest at point and then accelerated through point by the electric field. Points and have equal separations in the three arrangements. If and are linear momentum of the proton at point in the three arrangement respectively, then
1
2
3
4