Moving Charges and Magnetism questions
775 published questions with worked solutions.
- Stray magnetic field does not affect the deflection. Of a coil of M.C.G. because
- The pointer of a dead beat galvanometer gives a steady deflection because
- In a ballistic galvanometer the deflection is proportional to
- In radial magnetic field, the plane of the coil of M.C.G. for any position is always
- In radial magnetic field, the torque acting on the current carrying freely suspended coil is
- In radial magnetic field lines of force are
- The suspension wire in the moving coil galvanometer is made up of
- In M.C.G., the coil of M.C.G. will be in equilibrium position if
- A soft iron core is placed at the centre of rectangular coil in m.c.c. because
- In suspended coil type M.C.G. the coil is suspended in radial magnetic field by thin fibre of phosphor bronze because
- The moving coil galvanometer has 60 turns, a width at 2 cm and a length of 3 cm. It hangs in uniform magnetic field of 500 cgs...
- The moving coil galvanometer has a current 2A for a particular number of turns and area of coil and magnetic field of (B) = 4 10^...
- If the number of turns in a galvanometer becomes half, then deflection for the same current will become
- A rectangular coil of a M.C.G. of effective area 0.05 m^2 is suspended freely in a radial magnetic field of induction 0.01 wb/m^2...
- A current carrying coil is subjected to a uniform magnetic field. The coil will orient so that its plane becomes
- At what angle between plane of the coil and magnetic field, the torque acting due to current carrying coil is maximum
- A rectangular coil of 100 turns has length 5 cm and breadth 2 cm. It is suspended in radial magnetic field of induction 0.1...
- A rectangular coil, of a moving coil galvanometer contains 100 turns and 5 cm long and 3 cm broad is suspended in a radial...
- The coil of a moving coil galvanometer has 1000 turns each of area 3 10^ -4 m^2 . Its suspension fibre has restoring torque of 2...
- A moving coil galvanometer has resistance 30 and gives full scale deflection, when carrying a current of 5.4 10^ -6 A. The...
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