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In an electric circuit, if the voltage is 12 V and the current is 3 A, what is t
In an electric circuit, if the voltage is 12 V and the current is 3 A, what is the power?
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Practice Questions
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Q1
In an electric circuit, if the voltage is 12 V and the current is 3 A, what is the power?
36 W
9 W
4 W
12 W
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Power in an electric circuit is given by P = V * I. Here, P = 12 V * 3 A = 36 W.
Questions & Step-by-step Solutions
1 item
Q
Q: In an electric circuit, if the voltage is 12 V and the current is 3 A, what is the power?
Solution:
Power in an electric circuit is given by P = V * I. Here, P = 12 V * 3 A = 36 W.
Steps: 6
Show Steps
Step 1: Identify the voltage in the circuit. In this case, the voltage (V) is 12 volts.
Step 2: Identify the current in the circuit. Here, the current (I) is 3 amperes.
Step 3: Use the formula for power in an electric circuit, which is P = V * I.
Step 4: Substitute the values into the formula: P = 12 V * 3 A.
Step 5: Calculate the power: 12 multiplied by 3 equals 36.
Step 6: Conclude that the power (P) is 36 watts.
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