The energy consumed in $1\, Kwatt$ electric heater in $30$ seconds will be
The energy consumed in $1\, Kwatt$ electric heater in $30$ seconds will be
- A
$6 \times {10^2}\,J$
- B
$4.99 \times {10^7}\,J$
- C
$9.8 \times {10^6}\,J$
- D
$3 \times {10^4}\,J$
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