If 16mA of current flows through a conductor in one second, the number of electron transported per seconds is
[1 electronic charge = 1.6 x 10^-19C]

Given three capacitors 0.3μF, 0.5μF and 0.2μF, the joint capacitance when arranged to give minimum capacitance is

The difference between X-rays and gamma rays is that

To protect a material from the influnce of an external magnetic field, the materials should be kept