BITSAT SERIES
Physics

Magnetic Field Due To A Current Element Biot Savart Law

4 previous year questions.

Volume: 4 Ques
Yield: Medium

High-Yield Trend

1
2025
1
2018
1
2012
1
2009

Chapter Questions
4 MCQs

01
PYQ 2009
medium
physics ID: bitsat-2
A wire of length is bent into a circular loop of radius and carries a current .The magnetic field at the centre of the . The same wire is now bent into a double loop of equal radii. If both loops carry the same current and it is in the same direction, the magnetic field at the centre of the double loop will be -
1
Zero
2
2 B
3
4 B
4
8 B
02
PYQ 2012
hard
physics ID: bitsat-2
A horizontal overhead powerline is at height of from the ground and carries a current of from east to west. The magnetic field directly below it on the ground is
1
southward
2
northward
3
southward
4
northward
03
PYQ 2018
easy
physics ID: bitsat-2
Two long parallel wires carry equal current flowing in the same direction are at a distance apart. The magnetic field at a point lying on the perpendicular line joining the wires and at a distance from the midpoint is -
1
2
3
4
04
PYQ 2025
easy
physics ID: bitsat-2
A wire of length 0.5 m carrying a current of 3 A is placed in a magnetic field of 2 T perpendicular to the wire. What is the force on the wire?
1
1 N
2
3 N
3
0.75 N
4
6 N