Listen NCERT Audio Books - Kitabein Ab Bolengi
What determines the rate at which energy is delivered by a current?
Electric power of the appliance the rate at which energy is delivered by a current.
Why does the cord of an electric heater not glow while the heating element does?
Compute the heat generated while transferring 96000 coulombs of charge in one hour through a potential difference of 50 V.
An electric iron of resistance20 takes a current of 5 A. Calculate the heat developed in 30 s.
An electric motor takes 5A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.