The magnetic field strength of solenoid is__________________? A. B = μNI B. B = μN/I C. B = μnID. Both B and C

Value of permeability of free space in SI units is___________________? A. 4πx10-9 WbA-1m-1B. 4πx10-7 WbA-1m-1 C. 4πx10-10 WbA-1m-1 D. 4πx10-8 WbA-1m-1

The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________? A. a circle B. a spiral C. an ellipseD. helix

Magnetic flux and flux density are related by___________________? A. magnetic flux = flux density / areaB. magnetic flux = flux density x area C. flux density = magnetic flux area D. flux density = magnetic flux x area

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________? A. τ = NIAB cosφ B. τ = NIAB sinφ C. τ = NIAB tanφD. τ =…

A magnetic compass will be deflected if it is kept near a____________________? A. charge in motion B. charge at rest C. both D. none

When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________? A. R=qB/mVB. R=mV/qB C. R=qmV/B…

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________? A. F=1/B B. F=1/BsinθC. F/0 D. F=1/Bcosθ

If a current carrying solenoid is suspended freely it will__________________? A. be rotatingB. come to rest in N-S direction C. vibrating like galvanometer needle D. comes to rest after rotation

A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________? A. independent mass m B. directly proportional to m C. directly proportional to qD. directly proportional to…