BHU-UET SERIES
Physics

Moving Charges And Magnetism

5 previous year questions.

Volume: 5 Ques
Yield: Medium

High-Yield Trend

2
2010
1
2008
1
2007
1
2004

Chapter Questions
5 MCQs

01
PYQ 2004
medium
physics ID: bhu-uet-
The magnetic needle lying parallel to the magnetic field requires units of work to rotate it through . The torque needed to maintain the needle in this position is :
1
2
3
4
02
PYQ 2007
medium
physics ID: bhu-uet-
A charged particle moves through a magnetic field in a direction perpendicular to it. Then the
1
acceleration remains unchanged
2
velocity remains unchanged
3
speed of the particle remains unchanged
4
direction of the particle remains unchanged
03
PYQ 2008
medium
physics ID: bhu-uet-
Two streams of protons move parallel to each other in the same direction. Then these
1
do not interact at all
2
attract each other
3
repel each other
4
get rotated to be perpendicular to each other
04
PYQ 2010
medium
physics ID: bhu-uet-
A wire carrying current and other carrying in the same direction produce a magnetic field at the midpoint. What will be the field when current is switched off?
1
B/2
2
2B
3
B
4
4B
05
PYQ 2010
medium
physics ID: bhu-uet-
A charged particle enters in a magnetic field with its initial velocity making an angle of with . The path of the particle will be
1
an ellipse
2
a straight line
3
a circle
4
a helical