JEE Advanced · PhysicsEasy
A particle of charge moves with velocity in a uniform magnetic field . The force acting on the particle is given by which expression?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
The magnetic Lorentz force on a moving charge is defined by the vector cross product of velocity and magnetic field. The formula is .
Attempt this question & track your score
Sign up free to answer, get instant scoring, and let SolveGini track which Physics topics you need to revise.
Attempt & Track Free →More Magnetism practice questions
- What is the magnetic field at the center of a circular coil of radius R carrying current I?
- The magnetic susceptibility of a diamagnetic material is always:
- Along straight wire carries a current I. The magnetic field at a distance r from the wire is proportional to:
- The SI unit of magnetic flux is:
- A proton and an alpha particle are accelerated through the same potential difference and enter a uniform magnetic field
- Along straight wire carries a current of 10 A. A point P is at a distance of 5 cm from the wire. What is the magnitude o
- A solenoid of length 0.5 m has 500 turns and carries a current of 2 A. The magnetic field at the center of the solenoid
- A thin circular ring of radius R and mass M carries a charge q uniformly distributed over its circumference. The ring is
- Along straight wire carries a current I. A rectangular loop of sides a and b is placed in the same plane such that the s
- A particle of mass m and charge q is projected with velocity v into a region of uniform magnetic field B directed perpen
- A solenoid of length Land radius R has n turns per unit length. It carries a current I. What is the magnetic field at th