MEDIUM
12th Odisha Board
IMPORTANT
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A current is set up in a copper pipe. Is there a magnetic field inside the pipe. 

 

 

 

 

Important Questions on Magnetic Effect of Electric Current

MEDIUM
12th Odisha Board
IMPORTANT
A current is set up in a copper pipe. Is there a magnetic field outside the pipe. 
HARD
12th Odisha Board
IMPORTANT
State and explain Biot-savart law and hence obtain an expression for the magnitude induction produced by an infinitely long straight conductor at any point near it.
HARD
12th Odisha Board
IMPORTANT
Explain Biot-savart law and apply it to obtain the magnetic induction at the centre of a circular coil carrying current 
HARD
12th Odisha Board
IMPORTANT
Deduce an expression for the magnetic flux density at any point on the axis of a circular coil carrying current due to the coil.
HARD
12th Odisha Board
IMPORTANT
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.
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.