Question

The heat generated in a cirucit is dependent upon the resstance, current and time for which the current is flown. If the error in measuring the above are as `1%,2%` and `1%` the maximum error in measuring heat will be
A. 0.02
B. 0.03
C. 0.06
D. 0.01

Answer 1

H=PRt
`(DeltaH)/(H)=(2DeltaI)/(I)+(DeltaR)/(R)+(Deltat)/(t)=2(2%)+1%+1%`
=6%