The mutual inductance between a primary and secondary circuits is 0.5 H. The resistance of the
primary and the secondary circuits are 20Ω and 5Ω respectively. To generate a current of 0.4 A
in the secondary, current in the primary must be changed at the rate of :-
No solution provided for this question.
Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area A = 10 cm² and length = 20 cm. If one of the solenoids has 300 turns and the other 400 turns, their mutual inductance is
\[\left( \mu=4\pi\times 10^{-7} T m A^{-1}\right)\] :
No solution provided for this question.
What is the mutual inductance of a two-loop system as shown with centre separation l ?
No solution provided for this question.
Two circular coils can be arranged in any of the three situations shown in the figure. Their
mutual inductance will be :
No solution provided for this question.
Two coils X and Y are placed in a circuit such that a current changes by 2 A in coil X and the
magnetic flux change of 0.4 Wb occurs in coil Y. The value of mutual inductance of coils is :
No solution provided for this question.
A small square loop of wire of side l is placed inside a large square loop of wire of side L ( L > l ). The loops are coplanar and their centres coincide. The mutual inductance of the system is
proportional to :-
No solution provided for this question.