EASY
NEET
IMPORTANT
Earn 100
Assertion : Work done by magnetic field on a moving charge is zero.
Reason : Force experienced by a moving charge in a magnetic field is may be zero.
50% studentsanswered this correctly
Important Questions on Magnetic Effect of Current
MEDIUM
NEET
IMPORTANT
Assertion : The direction of magnetic moment and orbital angular momentum are opposite to each other for electron.
Reason : Electron is negatively charged.
EASY
NEET
IMPORTANT
Assertion : The direction of magnetic moment and orbital angular momentum are opposite to each other for electron.
Reason : Electron is negatively charged.
EASY
NEET
IMPORTANT
Assertion : In external magnetic field, kinetic energy of charge particle remains constant.
Reason : In external magnetic field velocity of charge remains constant.
EASY
NEET
IMPORTANT
Assertion : Unlike charges are projected in opposite direction in transverse magnetic field, then they are deflected in same directions.
Reason : If a voltmeter connected across two peripheral points of faraday copper disc generator, its reading is zero.
EASY
NEET
IMPORTANT
A coil of 100 turns, 5cm2 area is placed in external magnetic field of 0.2 Tesla (S.I.) in such a way that it makes an angle 30° with the field direction. Calculate magnetic flux through the coil (in weber).
EASY
NEET
IMPORTANT
A coil of N turns, A area is placed in uniform transverse magnetic field B. If it is turn through 180º about its one of the diameter in 2 seconds. Find rate of change of magnetic flux through the coil.
EASY
NEET
IMPORTANT
The magnetic field perpendicular to the plane of a loop of area 0.1 m2 is 0.2 T. Calculate the magnetic flux through the loop.
EASY
NEET
IMPORTANT
The magnetic field in a certain region is given by tesla. How much magnetic flux passes through the loop of area 0.1m2 in this region if the loop lies flat in xy plane ?
