Question

if a bulb uses energy of 100J and remains ON for 25s.The power consumed by the bulb will be

Answer 1

Vitality = 100 J

time taken = 25 s

control = vitality ÷ time control = 100 ÷ 25 = 4 watts

control = 4 watts.

A kilowatt-hour is 1,000 watts utilized for 60 minutes.

For instance, a 100-watt light working for ten hours would utilize one kilowatt-hour.

Answer 2

Answer:

Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V if magnetic field, velocity and length of conductor are mutually perpendicular to each other