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Define one watt: | Physics Questions
Question
Define one watt:
A
one joule per second
B
one second per joule
C
ten joules per second
D
voltage divided by current
E
resistance multiplied by voltage
Medium
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Solution
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Correct option is A)
Watt is a SI unit of power which is defined as the energy per unit time i.e
P
=
t
E
Hence one watt is defined as one joule of energy used in one second.
∴
W
=
s
J
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