Question: In a circuit with a 12V battery and a 4Ω resistor, what is the current flowing through the resistor?
Options:
3A
4A
12A
0.33A
Correct Answer: 3A
Solution:
Using Ohm\'s Law, I = V / R = 12V / 4Ω = 3A.
In a circuit with a 12V battery and a 4Ω resistor, what is the current flowing t
Practice Questions
Q1
In a circuit with a 12V battery and a 4Ω resistor, what is the current flowing through the resistor?
3A
4A
12A
0.33A
Questions & Step-by-Step Solutions
In a circuit with a 12V battery and a 4Ω resistor, what is the current flowing through the resistor?
Step 1: Identify the voltage of the battery, which is 12V.
Step 2: Identify the resistance of the resistor, which is 4Ω.
Step 3: Use Ohm's Law formula, which is I = V / R.
Step 4: Substitute the values into the formula: I = 12V / 4Ω.
Step 5: Calculate the current: 12 divided by 4 equals 3.
Step 6: Conclude that the current flowing through the resistor is 3A.
Ohm's Law – Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R) of the conductor.
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