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BITSAT Magnetic Effects of Current PYQs with Solutions

36 previous year questions from Magnetic Effects of Current (BITSAT Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

36 questionsPhysics2009–2024Answers + solutions

About Magnetic Effects of Current PYQs

Magnetic Effects of Current has 36 previous year questions in the Quantrex Academy BITSAT Physics bank. The 36 questions in this list come from BITSAT (36), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Magnetic Effects of Current PYQs with Solutions

About Magnetic Effects of Current PYQs

Questions by year (this list)

Magnetic Effects of Current questions with solutions

The straight wire A B carries a current I . The ends of the wire subtend angles θ_1 and θ_2 at the point P as shown in figure. The magnetic field at the point P is

A long straight wire of radius a carries a steady current 1. The current is uniformly distributed across its cross section. The ratio of the magnetic field at a 2 and 2a from axis

The electrostatic force ( F_1) and magnetic force ( F_2) acting on a charge q moving with velocity v can be written:

The magnetic moments associated with two closely wound circular coils A and B of radius r_A=10 cm and r_B=20 cm respectively are equal if: (Where N_A, I_A and N_ B , I_ B are

A solenoid of 1200 turns is wound uniformly in a single layer on a glass tube 2 m long and 0.2 m in diameter. The magnetic intensity at the center of the solenoid when a current

A charge particle is moving in a uniform magnetic field (2 i +3 j ) T . If it has an acceleration of (α i -4 j ) m / s^2 , then the value of α will be :

The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by:

A proton moving with a velocity 3 × 10^ 5 m / s enters a magnetic field of 0.3 tesla at an angle of 30^ ^ ∘ with the field. The radius of curvature of its path will be (e / m for

A solenoid is 2 m long and 3 cm in diameter. It has 5 layers of winding of 1000 turns each and carries a current of 5 A . What is the magnetic field at its centre ? Use the

An electron moves in a circular arc of radius 10 m at a contant speed of 2 × 10^ 7 ms^ -1 with its plane of motion normal to magnetic flux density of 10^ -5 T . What will be the

An electron revolves in a circular orbit of radius r with angular speed ω . The magnetic field at the centre of electron orbit is

Two electrons are moving with equal speed of 5 × 10 ^ 5 ms^ - 1 parallel to each other. The ratio of the electrostatic to& the magnetic force between them is

The magnetic field at the centre O & of& the current-carrying square loop shown in the figure& is

A proton is revolving on a circular path of radius 2 mm with frequency 10 Hz. Magnetic dipole moment associated with proton is

A current i flows through a loop as shown in figure. The magnetic field at the Centre O is

The ratio of angular momentum L to the atomic dipole moment &#956; _ i for hydrogen like atoms and ions is

A copper rod of mass m slides under gravity on two smooth parallel rails l distance apart and set an angle θ to the horizontal. At the bottom, the rails are joined by a resistance

To increase the current sensitivity of a moving coil galvanometer by 50 % , & its resistance is increased, so that new resistance becomes twice its initial resistance, by what

A positive charge q is projected in magnetic field of width mv 2 qB with velocity v . Then, the time taken by charged particle to emerge from the magnetic field is

A coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanent magnet such that B is in plane of the coil. If due to a current i in

What is the magnetic field at the centre of arc in the figure below?

A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B . The kinetic energy of the proton that

A wire carrying current I has the shape as shown in adjoining figure. Linear parts of the wire are very long and parallel to X -axis while semicircular portion of radius R is

A charged particle moving in a uniform magnetic field and losses 4 \% of its kinetic energy. The radius of curvature of its path changes by

Two particles X and Y having equal charges, after being accelerated through the same potential difference, enter a region of uniform magnetic field and describe circular paths of

A long straight wire along the Z -axis carries a current I in the negative Z -direction. The magnetic vector field B at a point having coordinates (x, y) in the Z=0 plane is

A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio

Two parallel conductors carry current in opposite directions as shown in figure. One conductor carries a current of 10.0 A . Point C is a distance d 2 to the right of the 10.0 A

A uniform electric field and uniform magnetic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is

A horizontal overhead powerline is at height of 4 ~m from the ground and carries a current of 100 ~A from east to west. The magnetic field directly below it on the ground is (μ_ 0

If m is magnetic moment and B is the magnetic field, then the torque is given by

Magnetic moment of bar magnet is M . The work done to turn the magnet by 90^ ^ ∘ of magnet in direction of magnetic field B will be

A steady current is set up in a cubic network composed of wires of equal resistance and length d as shown in figure. What is the magnetic field at the centre P due to the cubic

If M is magnetic moment and B is the magnetic field, then the torque is given by

The magnetic field at the origin due to the current flowing in the wire is -

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B_ 0 such that B_ 0 is perpendicular to the plane of the loop. The

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Magnetic Effects of Current in other exams

The ratio of angular momentum L to the atomic dipole moment μ _ i for hydrogen like atoms and ions is