Question

the voltage across the lamp is 6 plus or minus 0.1 volt and current through it is 4 plus or minus 0.2 ampere find the power consumed with maximum permissible error in it

Answer 1

hope it helps you na na ana

Answer 2

Hi..


Power = VI

P = 6*4 = 24 Watt

dP = P(dV/V + dI/I)
dP = 24*(0.1/6 + 0.2/4)
dP = 1.6

Power consumed = (24 ± 1.6) Watt.


Hope this helps u!!