A car moves at 45 kilometers per hour.
2 answers:
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Answer:
The power dissipated by the resistor can be calculated as .
Explanation:
- Joules heating law states that any conductor passed with the electric current produces heating effect which is the electric power loss.
- The given circuit has,
resistor (the unit is wrong i question because resistor's unit is ohm not Ampere).
- Current flowing through the circuit is
.
- By using joules heating theory,
,
,
.
- So the power dissipated by the resistor in the circuit is 300 W.