Correct answer option is (C)
1. (JEE Main 2024 (Online) 6th April Morning Shift )
An element is placed at the origin and carries a large current . The magnetic field on the -axis at a distance of from the elements of length is:
A.
B.
C.
D.
Correct answer option is (C)
2. (JEE Main 2024 (Online) 30th January Morning Shift )
Two insulated circular loop A and B of radius '' carrying a current of '' in the anti clockwise direction as shown in the figure. The magnitude of the magnetic induction at the centre will be :
A.
B.
C.
D.
Correct answer option is (B)
3. (JEE Main 2024 (Online) 4th April Evening Shift )
Two parallel long current carrying wire separated by a distance are shown in the figure. The ratio of magnetic field at to the magnetic field produced at is . The value of is __________.
Correct answer option is 5
At point
At point
4. (JEE Main 2024 (Online) 1st February Morning Shift )
A regular polygon of 6 sides is formed by bending a wire of length
meter.
If an electric current of A is flowing through the sides of the polygon, the
magnetic field at the centre of the polygon would be .
The value of is _________.
Correct answer is 72
5. (JEE Main 2024 (Online) 31st January Evening Shift )
Two circular coils and of 100 turns each have same radius of . The currents in and are and respectively. and are placed with their planes mutually perpendicular with their centers coincide. The resultant magnetic field induction at the center of the coils is , where __________.
[Use ]
Correct answer is 20