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
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