Considering the definition of power and electrical energy, the power is 1200 W.
Power is defined as the energy or work consumed or produced in a given time. In electrical circuits the unit of power is the Watt.
On the other hand, the electrical energy consumed by an electrical appliance is the product of the electrical power (P) and the duration of the time used (t). The expression is:
E= P× t
In this case, you know:
Replacing:
2400 J= P× 2 s
Solving
2400 J÷ 2 s= P
1200 W= P
In summary, the power is 1200 W.
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