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Concept explainers
Determine the current and power dissipated in the resistor in Fig. P2.1.
![Check Mark](/static/check-mark.png)
The current and power dissipated in the resistor.
Answer to Problem 1P
The current flowing in the circuit is
Explanation of Solution
Concept used:
Write the expression for the current.
Here,
Write the expression for the power dissipated in the resistor.
Here,
Calculation:
The circuit diagram is drawn as shown in Figure 1.
Substitute
Therefore, the current flowing in the circuit is
Substitute
Therefore, the power dissipated in the resistoris
Conclusion:
Thus, the current flowing in the circuit is
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