Question: If a circuit has a total resistance of 12Ω and a total voltage of 48V, what is the total current in the circuit?
Options:
2 A
3 A
4 A
6 A
Correct Answer: 4 A
Solution:
Using Ohm\'s law, I = V/R = 48V / 12Ω = 4 A.
If a circuit has a total resistance of 12Ω and a total voltage of 48V, what is t
Practice Questions
Q1
If a circuit has a total resistance of 12Ω and a total voltage of 48V, what is the total current in the circuit?
2 A
3 A
4 A
6 A
Questions & Step-by-Step Solutions
If a circuit has a total resistance of 12Ω and a total voltage of 48V, what is the total current in the circuit?
Step 1: Identify the total voltage in the circuit, which is 48V.
Step 2: Identify the total resistance in the circuit, which is 12Ω.
Step 3: Recall Ohm's law, which states that current (I) equals voltage (V) divided by resistance (R).
Step 4: Plug the values into the formula: I = V / R.
Step 5: Substitute the values: I = 48V / 12Ω.
Step 6: Calculate the result: 48 divided by 12 equals 4.
Step 7: Conclude that the total current in the circuit is 4 A.
Ohm's Law – Ohm's Law states that the current (I) in a circuit is directly proportional to the voltage (V) across it and inversely proportional to the resistance (R) in the circuit, expressed as I = V/R.
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