$\begin{array}{1 1} (a)\; \text{Whenever magnetic field around a coil is changed a current is induced in the coil} \\ (b)\; \text{In Fleming's right-hand rule the thumb indicates the direction of motion of the conductor} \\ (c)\; \text{When current carrying solenoid coil is suspended freely, it will settle in north-south direction } \\ (d)\; \text{The strength of magnetic field is inversely proportional to strength of current flowing in wire} \end{array}$