If a circuit has a total power of 100W and a voltage of 50V, what is the current

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Question: If a circuit has a total power of 100W and a voltage of 50V, what is the current flowing through the circuit? (2023)

Options:

Correct Answer: 2A

Exam Year: 2023

Solution:

Using the power formula P = VI, I = P/V = 100W/50V = 2A.

If a circuit has a total power of 100W and a voltage of 50V, what is the current flowing through the circuit? (2023)

If a circuit has a total power of 100W and a voltage of 50V, what is the current flowing through the circuit? (2023)

Step 1: Understand the formula for power in a circuit, which is P = V * I, where P is power, V is voltage, and I is current.
Step 2: Rearrange the formula to find current (I). This gives us I = P / V.
Step 3: Substitute the given values into the formula. Here, P = 100W and V = 50V.
Step 4: Calculate the current by dividing the power by the voltage: I = 100W / 50V.
Step 5: Perform the division: 100 divided by 50 equals 2.
Step 6: Conclude that the current flowing through the circuit is 2A.

Power in Electrical Circuits – Understanding the relationship between power (P), voltage (V), and current (I) using the formula P = VI.
Ohm's Law – Applying Ohm's Law to derive current from power and voltage.