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When current passes through resistor due...

When current passes through resistor due to its resistive property heat is produced. Error in measurement of resistance, current and time is 1%, 2% and 1% respectively, then what will be percentage error in measurement of heat energy ?

A

4

B

6

C

5

D

8

Text Solution

Verified by Experts

`H=(I^(2)Rt)/(?J)`
`:.` Percentage error in measurement of heat energy, J=constant
`=(DeltaH)/(H)xx100%=((2DeltaI)/(I)+(DeltaR)/(R)+(Deltat)/(t))xx100%`
`=(2xx2)%+1%+1%`
=6%
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