Question: If a circuit has a voltage of 12 V and a resistance of 4 Ω, what is the current flowing through the circuit?
Options:
3 A
4 A
2 A
6 A
Correct Answer: 3 A
Solution:
Using Ohm\'s Law, I = V/R = 12 V / 4 Ω = 3 A.
If a circuit has a voltage of 12 V and a resistance of 4 Ω, what is the current
Practice Questions
Q1
If a circuit has a voltage of 12 V and a resistance of 4 Ω, what is the current flowing through the circuit?
3 A
4 A
2 A
6 A
Questions & Step-by-Step Solutions
If a circuit has a voltage of 12 V and a resistance of 4 Ω, what is the current flowing through the circuit?
Step 1: Identify the voltage in the circuit, which is given as 12 V.
Step 2: Identify the resistance in the circuit, which is given as 4 Ω.
Step 3: Recall Ohm's Law, which states that current (I) equals voltage (V) divided by resistance (R).
Step 4: Write the formula: I = V / R.
Step 5: Substitute the values into the formula: I = 12 V / 4 Ω.
Step 6: Perform the division: 12 divided by 4 equals 3.
Step 7: Conclude that the current flowing through the circuit is 3 A.
Ohm's Law – Ohm's Law states that the current (I) flowing 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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