Rohan Khan

A parallel plate air capacitor of capacitance 245pF has a charge of magnitude 0.148ìC on each plate. The plates are 0.328mm apart. (a) What is the potential difference between the plates? (b) What is the area of each plate? (c) What is the electric field...

A cylindrical copper cable 1.50Km long is connected across a 220.0V potential difference. (a) What should be its diameter so that it produces heat at a rate of 50.0W? (b) What is the electric field inside the cable under these conditions?

A person with body resistance between his hands of 10KÙ accidently grasps the terminal of a 14-KV power supply. (a) If the internal resistance of the power supply is 2000Ù, what is the current through the person’s body? (b) What is the power dissipated in...