Question

Q.8) The heat generated in a circuit is given by Q=12Rt, where I is current, R is resistance, and t is time. If the percentage errors in measuring !, R, and t are 2%, 1%, and, 1% respectively, then the maximum error in measuring heat will be 02% 3% 4% O O 6% *​

Answer 1

Answer:

Q=I

2

Rt

⇒

Q

ΔQ

=

I

2ΔI

+

R

ΔR

+

t

Δt

⇒

Q

ΔQ

×100=2(2)+1+1

⇒

Q

ΔQ

×100=6