COMEDK-UGET SERIES Physics
Electric Charges And Fields
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
1
2022 1
2015 3
2011 1
2010 1
2009 2
2008 2
2007 2
2006 2
2005 Chapter Questions 15 MCQs
01
PYQ 2005
easy
physics ID: comedk-u
Two identical metal spheres with charges and are separated by a distance. Force between them is F. They are connected by a conducting wire and then removed. Force between them now is
1
2
3
4
02
PYQ 2005
easy
physics ID: comedk-u
The insulation property of air breakdown is . Maximum charge in coulomb that can be given to a sphere of radius 10 cm is approximately
1
2
3
4
03
PYQ 2006
medium
physics ID: comedk-u
A conducting sphere of radius R carrying charge +Q is connected to an uncharged conducting sphere of radius 2R. The charge that flows between them is
1
2
3
4
04
PYQ 2006
medium
physics ID: comedk-u
Electric intensity due to an electric dipole varies with distance as where n is
1
3
2
-3
3
2
4
-2
05
PYQ 2007
medium
physics ID: comedk-u
The ratio of forces between two point charges in the two cases when their separation is halved and when it is doubled, is
1
1:02
2
4:01
3
8:01
4
16:01
06
PYQ 2007
medium
physics ID: comedk-u
A charge is to be divided into two parts, and , such that force between them is maximum. Then
1
2
3
4
07
PYQ 2008
medium
physics ID: comedk-u
A charge situated at a certain distance along the axis of an electric dipole experience a force . If the distance of the charge from the dipole is doubled, the force acting on it will become
1
2
3
4
08
PYQ 2008
medium
physics ID: comedk-u
Two point charges are apart and their combined charge is . The force of repulsion between them is . Charges are
1
2
3
4
09
PYQ 2009
medium
physics ID: comedk-u
Distance between two point charges is increased by 20%. Force of interaction between the charges
1
increases by 10%
2
decreases by 20%
3
decreases by 17%
4
decreases by 31%
10
PYQ 2010
medium
physics ID: comedk-u
Charges and are kept separated by a certain distance and are placed at and , respectively. Electric intensity at is . Electric intensity at is
1
2
3
4
11
PYQ 2011
medium
physics ID: comedk-u
Two charges and are placed apart in air charge is placed at a point on the line joining so that the systein of these charges remains in equilibrium. Then, the distance of from and the value of are
1
2
3
4
12
PYQ 2011
medium
physics ID: comedk-u
Among the following, the correct graphical representation of electric intensity as a function of distance from the centre of a uniformly charged conducting sphere is shown in
1
A
2
B
3
C
4
D
13
PYQ 2011
easy
physics ID: comedk-u
An electron c penetrates through a thin plate A and enters the electric field region between parallel plates A and B. It gets slowed down Three other particles-proton (p), alpha particles and beta particles - similarly penetrate through either plate A or plate B as shown. The correct statement as regards the speed of the particles is
1
only speed of p increases
2
speeds of both and increases
3
speeds of both and increases
4
speed of only increases
14
PYQ 2015
medium
physics ID: comedk-u
An electric dipole consists of two opposite charges, each of magnitude separated by a distance of . The dipole is placed in an external field of . The maximum torque on the dipole is
1
2
3
4
15
PYQ 2022
medium
physics ID: comedk-u
Two charged spheres of and are kept at a certain distance. They are touched and kept again at the same distance. What is the ratio of force experienced before and after?
1
2
3
4
About Electric Charges And Fields - COMEDK-UGET
Electric Charges And Fields is a vital chapter for COMEDK-UGET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
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