What is the total current in a circuit with a 9V battery and a 3Ω resistor?

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Question: What is the total current in a circuit with a 9V battery and a 3Ω resistor?

Options:

Correct Answer: 2A

Solution:

Using Ohm\'s law, I = V/R = 9V/3Ω = 3A.

What is the total current in a circuit with a 9V battery and a 3Ω resistor?

What is the total current in a circuit with a 9V battery and a 3Ω resistor?

Step 1: Identify the voltage of the battery, which is 9 volts (V).
Step 2: Identify the resistance of the resistor, which is 3 ohms (Ω).
Step 3: Use Ohm's law formula, which is I = V / R, where I is the current, V is the voltage, and R is the resistance.
Step 4: Substitute the values into the formula: I = 9V / 3Ω.
Step 5: Calculate the current: 9 divided by 3 equals 3.
Step 6: Conclude that the total current in the circuit is 3 amperes (A).

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