How does capacitor behave to d.c.?

Obtain the answers to (a) and (b) Q.13, if the circuit is connected to a high frequency supply (240 V , 10 kHz). Hence explain statement that at very high frequency. Inductor in circuit nearly amount to open circuit. How does an indcutor behave in a d.c. circuit after the steady state ?

At very high frequency of ac, capacitor behave like a conductor. (True/false)

At very high frequency of a.c., a capacitor behaves as a pure conductor. Why ?

How does a current loop behave like a bar magnet?

How does a soap solution behave with red litmus paper ?

How does an air bubble behave when it is inside water?

How does a soap behave in the presence of Ca^(2+) and Mg^(2+) ions in solution ?

What are the magnitudes of conduction and displacement currents if a capacitor (charged by a d.c. source) is fully charged?