The moment of inertia of uniform circular disc is maximum about an axis perpendicular to the disc and passing through point

An inductor coil of inductance $L$ is divided into two parts and both parts are connected in parallel. The net inductance is

If the momentum of a body of mass ' $m$ ' is increased by $20 \%$ then its kinetic energy increases by

Seven capacitors each of capacitance $2 \mu \mathrm{~F}$ are connected in a configuration to obtain an effective capacitance $\frac{6}{13} \mu \mathrm{~F}$. The combination which will achieve this will have