Question

50 bulb 40 vat ke hai 5 ghante daily jalte hai to energy kya hogi

Answer 1

Amperage (amps) is the current of the electricity. The power company bills you on Watts consumed (Kilowatt Hours). A Kilowatt Hour is 1000 watts per hour. So a 40 watt light bulb (if rated at the Voltage of 110 volts) would use 40 watts per hour.