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Tardigrade
Question
Physics
The heat produced by 1500 W heater in 14 min when used is
Q. The heat produced by 1500 W heater in 14 min when used is
1806
251
CMC Medical
CMC Medical 2007
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A
3.0 kcal
B
30.0 kcal
C
300 kcal
D
3000 kcal
Solution:
Heat produced
=
J
Pt
=
4.2
1500
×
14
×
60
cal
=
1000
×
4.2
1500
×
14
×
60
kcal
=
300
kcal