When a work of 1 Joule is done in 1 second, then the power is said to be 1 watt.Thus, 1 W=1 J/1 s or 1 J/sHence, the correct answer is option (A) i.e. Js^ 1 ...

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Standard IX

Physics

Work

1 wattis equa...

Question

$1 w a t t$ is equal to:

$J s^{- 1}$

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$J s$

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$J s^{- 2}$

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$N s^{2}$

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Solution

The correct option is A
$J s^{- 1}$

When a work of $1 J o u l e$ is done in $1 s e c o n d$ , then the power is said to be $1 w a t t$ .
Thus, $1 W = \frac{1 J}{1 s} o r 1 J / s$
Hence, the correct answer is option (A) i.e. $J s^{- 1}$

Suggest Corrections

1wattis equal to:

The correct option is A Js-1When a work of 1Joule is done in 1second, then the power is said to be 1watt.Thus, 1W=1J1sor1J/sHence, the correct answer is option (A) i.e. Js-1

$1 w a t t$ is equal to:

The correct option is A
$J s^{- 1}$

When a work of $1 J o u l e$ is done in $1 s e c o n d$ , then the power is said to be $1 w a t t$ .
Thus, $1 W = \frac{1 J}{1 s} o r 1 J / s$
Hence, the correct answer is option (A) i.e. $J s^{- 1}$