Question

29. (a) Define Power and state ite SI unit.
() A torch bulb is rated 5 V and 500 mA. Calculate its
(i) Power
(ii) Resistances
(iii) Energy consumed when it is lighted for 24 hours.​

Answer 1

Answer:

power means the rate of doing work.

Its si unit is watt

power=watt /time taken