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JEE Magnetic Effects of Current PYQs with Solutions

23 previous year questions from Magnetic Effects of Current (JEE Main & Advanced NSEP) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

23 questionsNSEPAnswers + solutions

About Magnetic Effects of Current PYQs

Magnetic Effects of Current has 23 previous year questions in the Quantrex Academy JEE Main & Advanced NSEP bank. The 23 questions in this list come from Olympiad workbook (23). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Magnetic Effects of Current questions with solutions

1

A wire in the shape of a square frame carries a current I and produces a magnetic field B_ s at its centre. Now the wire is bent in the shape of a circle and carries the same

Olympiad workbook Solution View → 2

A coil 2.0 cm in diameter has 300 turns. If the coil carries a current of 10 mA and lies in a magnetic field 5 × 10^ -2 ~T , the maximum torque experienced by the coil is

Olympiad workbook Solution View → 3

An infinitely long straight non-magnetic conducting wire of radius a carries a dc current I . The magnetic field B , at a distance r(r < a) from axis of the wire is

Olympiad workbook Solution View → 4

A neutral metal bar moves at a constant velocity v to the right through a region of uniform magnetic field directed out of the page, as shown. Therefore,

Olympiad workbook Solution View → 5

Paragraph: The following questions are concerned with experiments on the characterization and use of a moving coil galvanometer. The series combination of a variable resistance R

Olympiad workbook Solution View → 6

A rectangular loop carrying a current is placed in a uniform magnetic field. The net force acting on the loop

Olympiad workbook Solution View → 7

The SI unit of permeability of free space is

Olympiad workbook Solution View → 8

A tightly wound long solenoid carries a current 5 A . An electron shot perpendicular to the solenoid axis inside it revolves at a frequency 10^8 rev / s . The number of turns per

Olympiad workbook Solution View → 9

A fixed horizontal wire M carries 200 A current. Another wire N running parallel to M carries a current I and remains suspended in a vertical plane below M at a distance of 20 mm

Olympiad workbook Solution View → 10

A conducting wire is bent in the form of a n sided regular polygon enclosed by a circle of radius R . The magnetic field produced at its centre by a current i flowing through the

Olympiad workbook Solution View → 11

The magnetic dipole moment of an electron in the S state of hydrogen atom revolving in a circular orbit of radius 0.0527 nm with a speed 2.2 × 10^6 ~m / s is

Olympiad workbook Solution View → 12

Mysteriously a charged particle moving with velocity v =v_0 entered the tube of Thomson's apparatus where the parallel metallic plates of length 5 cm along X axis are separated by

Olympiad workbook Solution View → 13

A spherical capacitor is formed by two concentric metallic spherical shells. The capacitor is then charged so that the outer shell carries a positive charge and the inner shell

Olympiad workbook Solution View → 14

The unit of magnetizing field is

Olympiad workbook Solution View → 15

Knowing that the parallel currents attract, the inward pressure on the curved surface of a thin walled, long hollow metallic cylinder of radius R=50 ~cm carrying a current of i=2

Olympiad workbook Solution View → 16

What is the magnetic induction B at the centre O of the semicircular arc if a current carrying wire has shape of an hair pin as shown in figure? The radius of the curved part of

Olympiad workbook Solution View → 17

Two long parallel wires carry currents of equal magnitude (I) but in opposite directions. These wires are suspended from fixed rod PQ by four chords of equal length L as shown.

Olympiad workbook Solution View → 18

A metal bar of length ℓ moves with a velocity v parallel to an infinitely long straight wire carrying a current I as shown in the figure. If the nearest end of the perpendicular

Olympiad workbook Solution View → 19

A thin and infinitely long metal sheet of appreciable finite width b carrying current I (distributed uniformly through out of its cross section) parallel to its length is placed

Olympiad workbook Solution View → 20

An insulating rod of length/carries a charge q distributed uniformly all over its length. The rod is pivoted at its midpoint and is rotated at a frequency f( in Hz ) about an axis

Olympiad workbook Solution View → 21

Current I flows through a long thin walled metallic cylinder of radius R with a thin longitudinal slit of width ξ(ξ R) running parallel to the axis of the cylinder. The magnetic

Olympiad workbook Solution View → 22

A long straight wire carrying a current i=10 ~A and a rectangular metallic loop of dimensions b × c lie in the same plane as shown in the figure. The parameters are a=10 ~cm, b=30

Olympiad workbook Solution View → 23

A U-shaped conducting wire of mass m=10 g , having length of its horizontal section as ℓ=20 ~cm , is free to move vertically up and down. The two ends of the wire are immersed in

Olympiad workbook Solution View →
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Main Magnetic Effects of Current list

The larger JEE Magnetic Effects of Current list is under Physics (586 questions).

Related JEE NSEP chapters

Ray Optics (48)Electrostatics (33)Rotational Motion (32)Current Electricity (25)Waves and Sound (25)Mechanical Properties of Fluids (24)Dual Nature of Matter (20)Work, Power and Energy (18)Semiconductors (17)Oscillations (17)Thermodynamics (17)Thermal Properties of Matter (15)

Magnetic Effects of Current in other exams

NEET Magnetic Effects of Current (445)BITSAT Magnetic Effects of Current (36)