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1. |
According to Joule's law of heating, heat produced \[H={{I}^{2}}\]Rt, where I is current, R is resistance and t is time. If the errors in the measurement of I, R and t are 3%, 4% and 6% respectively then error in the measurement of H is |
A. | \[\pm \]17% |
B. | \[\pm \]16% |
C. | \[\pm \]19% |
D. | \[\pm \]25% |
Answer» C. \[\pm \]19% | |