

MCQOPTIONS
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1. |
An electrically heated coil is immersed in a calorimeter containing 360 g of water at\[10{}^\circ C\]. The coil consumes energy at the rate of 90 W. The water equivalent of calorimeter and coil is 40 g. The temperature of water after 10 min is |
A. | \[4.214{}^\circ C\] |
B. | \[42.14{}^\circ C\] |
C. | \[30{}^\circ C\] |
D. | None of these |
Answer» C. \[30{}^\circ C\] | |