How much electrical energy in joules does a 100 watt lamp consumes:

(a) In 1 second?

(b) In 1 minute?

(a) Given,

Power (P) = 100 watt

Time, t = 1 s

Energy = P × T

= 100 × 1

= 100 J

(b) t = 1min = 60 sec

Energy = P × t

= 100 × 60

= 6000 J