Question

For flash pictures, a photographer uses a 30 microfardey capacitor & a charge that supplies 3×10^3 volt.calculate the charge & the energy spent for each flash​

Answer 1

Answer:

Using q=CV

q=30*10^-6 * 3*10^3

q=90*10^-3

q=9*10^-2 C

Energy=1/2CV^2

=1/2*30*10^-6 * 9*10^6

=15*9

=135J.