sreelakshmi sreelakshmi

02-01-2020
Physics

contestada

an electrical iron box having power 400w is operated in 10hours. what will be the energy consumed by the device in commercial unit?

Respuesta :

Pharero Pharero

02-01-2020

Answer:

4 kWh or 4 units

Explanation:

energy = power × time

= 400 W× 10 h

= 4000 Wh

=( 4000/ 1000 ) kWh

= 4 kWh

= 4 commercial units

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