What is the minimum value of inductance that can be obtained by combining three inductances of 1 H, 2 H and 3 H?

The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2pF and 4pF is

The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2pF and 4pF is

The minimum value of effective capacitance that can be obtained by combining 3 capacitors of capacitances 1 pF, 2 pF and 4 pF is

SI unit henry (H) of inductance can be written as

If three capacitors of values 1 mu F, 2 mu F and 3 mu F are available.The maximum and minimum values of capacitances one can obtain by different combinations of the three capacitors together are respectively ???

The reactance of an inductance of 0.01 H to a 50 Hz a.c. is

The inductive reactance of an inductance of 1//pi H at 50 Hz is

What is meant by 'self-inductance of coil is 1 H '?