Question: If a current of 3 A flows through a resistor of 5 ohms, what is the voltage across the resistor?
Options:
15 V
10 V
5 V
20 V
Correct Answer: 15 V
Solution:
Using Ohm\'s law, V = I * R = 3 A * 5 ohms = 15 V.
If a current of 3 A flows through a resistor of 5 ohms, what is the voltage acro
Practice Questions
Q1
If a current of 3 A flows through a resistor of 5 ohms, what is the voltage across the resistor?
15 V
10 V
5 V
20 V
Questions & Step-by-Step Solutions
If a current of 3 A flows through a resistor of 5 ohms, what is the voltage across the resistor?
Step 1: Identify the current (I) flowing through the resistor. In this case, I = 3 A.
Step 2: Identify the resistance (R) of the resistor. Here, R = 5 ohms.
Step 3: Use Ohm's law formula, which is V = I * R, to find the voltage (V).
Step 4: Substitute the values into the formula: V = 3 A * 5 ohms.
Step 5: Calculate the result: V = 15 V.
Ohm's Law – Ohm's Law states that the voltage (V) across a resistor is equal to the current (I) flowing through it multiplied by the resistance (R) of the resistor.
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