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| 1. |
(a) Define electric power. State its unit. Also derive formula of power P = V x I (b) Which will have higher resistance: a 50 W lamp bulb or a 25 W lamp bulb and by how many times? |
| Answer» GY used by DEVICES PER UNIT TIME unit is wattp=w/tp= vq/t {v=w/q}p=vi [i=q/t]since,p= vi | |