HARD
12th Odisha Board
IMPORTANT
Earn 100
A charge particle moves in a plane perpendicular to a uniform magnetic field. Show that the path of the particle is a circle. Obtain an expression for the radius of the orbit and the time period of revolution of the particle.
Important Questions on Magnetic Effect of Electric Current
HARD
12th Odisha Board
IMPORTANT
A current I is maintained in a conductor of length L which is placed in a uniform magnetic field. Find an expression for the magnetic force experienced by the conductor .
HARD
12th Odisha Board
IMPORTANT
Obtain an expression for the force between two straight, parallel conductors carrying currents in the same direction. Hence, obtain the definition of an ampere.
HARD
12th Odisha Board
IMPORTANT
Explain Lorentz force experienced by a moving charged particle. Find the condition under which the Lorentz force on a charged particle moving in a combined electric and magnetic fields is zero.
HARD
12th Odisha Board
IMPORTANT
Obtain an expression for the magnetic force between two moving charged particles. Compare it with the electrostatic force between two charges when these are static.
HARD
12th Odisha Board
IMPORTANT
Obtain an expression for the torque experienced by a freely suspended current carrying loop in a uniform magnetic field. Mention the factors on which the torque depends.
HARD
12th Odisha Board
IMPORTANT
Give the principle of construction and working of a moving coil galvanometer. Can a galvanometer be used to measure current? Explain your answer.
HARD
12th Odisha Board
IMPORTANT
Describe the construction and working of an ammeter. How is an ammeter connected in a circuit and why?
HARD
12th Odisha Board
IMPORTANT
Describe the construction and working of a voltmeter. How is a voltmeter connected in a a circuit? Explain.
