Question: If the current through a resistor is 2A and the resistance is 5Ω, what is the voltage across the resistor? (2022)
Options:
10V
5V
2V
7V
Correct Answer: 10V
Exam Year: 2022
Solution:
Using Ohm\'s Law, V = I * R = 2A * 5Ω = 10V.
If the current through a resistor is 2A and the resistance is 5Ω, what is the vo
Practice Questions
Q1
If the current through a resistor is 2A and the resistance is 5Ω, what is the voltage across the resistor? (2022)
10V
5V
2V
7V
Questions & Step-by-Step Solutions
If the current through a resistor is 2A and the resistance is 5Ω, what is the voltage across the resistor? (2022)
Step 1: Identify the current (I) through the resistor, which is given as 2A.
Step 2: Identify the resistance (R) of the resistor, which is given as 5Ω.
Step 3: Use Ohm's Law formula, which states that Voltage (V) = Current (I) * Resistance (R).
Step 4: Substitute the values into the formula: V = 2A * 5Ω.
Step 5: Calculate the result: V = 10V.
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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