A heating coil rated 1000 W is used to boil off completely 2 kg of boiling water. The time required to boil the water is?
[Special latent heat of Vaporization of water = 2.3 x 10\(^6\) Jkg-1]
a
1.15 x 104s
b
1.15 x 103s
c
4.6 x 104s
d
4.6 x 103s
Explanation
Correct Option
dVideo Explanation
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Discussions (15)

Anela
1 year ago
pt = ML
p= 1000
t= ?
M=2
L=2.3x10⁶=2300000
1000t= 2x2300000
1000t= 4600000
DBS BY 1000
t=4600000/1000
=4600= 4.6×10³ (ANS)

Shobowale Titilayomi
8 years ago
The question is wrongly composed:
the constant was not given but was used in the solution of the question

Williams1010
2 months ago
the formula i know is Q=ml,
am just seeing this .
like does jt have 2 formula

Finesse11
2 months ago
nothing even concern me with what y'all are saying abeg under which topic is this question


