ElectroMagnetic InductionHard
Question
A constant current i maintained in a solenoid. Which of the following quantities will increase if an iron rod is inserted in the solenoid along its axis:-
(a) Magnetic field at the centre
(b) Magnetic flux linked with the solenoid
(c) Self inductance of the solenoid
(d) Rate of Joule heating
(a) Magnetic field at the centre
(b) Magnetic flux linked with the solenoid
(c) Self inductance of the solenoid
(d) Rate of Joule heating
Options
A.a, b, c
B.c, d
C.a, b
D.Only b
More ElectroMagnetic Induction Questions
A uniform but time varying magnetic field B(t) exists in a circular region of radius a and is directed into the plane of...A coil having n turns and resistance RΩ is connected with a galvanometer of resistance 4RΩ. This combination i...A magnet is dropped down an infinitely long vertical copper tube. Then...A bar magnet is released from rest coaxially along the axis of a very long, vertical copper tube. After some time the ma...Three capacitor of capacitance C each are connected in series as shown in the figure. Initially switch S is open. Now ca...