The heat generated in a circuit is dependent upon the resistance, current and time for which the current is flown. If the error in measuring the above are 1%, 2% and 1% respectively, then maximum error in measuring the heat is

Explanation

Heat `H = (i^2 RT)/J`
Maximum error in measuring the heat
`(Delta H)/(H) xx 100 = 2 (Delta i)/(i) xx 100 + (Delta R)/R xx 100 + (Delta T)/(T) xx 100`
Here J is a constant
Given that
`(Delta R)/R xx 100 = 1%, (Delta i)/(i) xx 100 = 2% (Delta T)/(T) xx 100 = 1%` `(Delta H)/H xx 100 = (2 xx 2) + 1 + 1 = 4 + 1 = 1`
Maximum error in heat = 6%.