What is the total current in a circuit with a 12V battery and three 4 ohm resist

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Question: What is the total current in a circuit with a 12V battery and three 4 ohm resistors connected in series?

Options:

Correct Answer: 2A

Solution:

Total resistance R_total = 4 + 4 + 4 = 12 ohms. Current I = V/R_total = 12V / 12 ohms = 1A.

What is the total current in a circuit with a 12V battery and three 4 ohm resistors connected in series?

What is the total current in a circuit with a 12V battery and three 4 ohm resistors connected in series?

Correct Answer: 1A

Step 1: Identify the voltage of the battery, which is 12V.
Step 2: Identify the resistance of each resistor, which is 4 ohms.
Step 3: Since there are three resistors in series, add their resistances together: 4 ohms + 4 ohms + 4 ohms = 12 ohms.
Step 4: Use Ohm's Law to find the current. Ohm's Law states that Current (I) = Voltage (V) / Resistance (R).
Step 5: Substitute the values into the formula: I = 12V / 12 ohms.
Step 6: Calculate the current: 12V / 12 ohms = 1A.

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