Physics

A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection

A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection for 30 mA current. It is…

A planar coil having 12 turns carries 15 A current. The coil is oriented with respect

A planar coil having 12 turns carries 15 A current. The coil is oriented with respect to the uniform magnetic…

A thin ring of radius R meter has charge q coulomb uniformly spread on it

A thin ring of radius R meter has charge q coulomb uniformly spread on it. The ring rotates about its…

The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.

The magnetic field in a certain region of space is given by B =8.35x10⁻² Î T. A proton is shot…

A proton is moving in a uniform magnetic field B in a circular path of radius a

A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction…

A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T

A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T acting in y…

When three identical bulbs of 60 W-200 V rating are connected in series to a 200 V

When three identical bulbs of 60 W-200 V rating are connected in series to a 200 V supply, the power…

A wire of one metre length carries a constant current. The wire is bent to form

A wire of one metre length carries a constant current. The wire is bent to form a circular loop. The…

Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.

Two straight wires each 10 cm long are parallel to one another and seperated by 2 cm. When the current…

A particle of mass m, charge Q and kinetic enery T enters a transverse

A particle of mass m, charge Q and kinetic enery T enters a transverse uniform magnetic field of induction B⃗.…