What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)

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Question: What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)

Options:

Correct Answer: 10V

Exam Year: 2022

Solution:

Using Ohm\'s law, V = I * R = 2A * 10Ω = 20V.

What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)

What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)

Step 1: Identify the values given in the problem. We have a resistor with a resistance of 10 ohms (Ω) and a current of 2 amperes (A).
Step 2: Recall Ohm's law, which states that voltage (V) is equal to current (I) multiplied by resistance (R). The formula is V = I * R.
Step 3: Substitute the values into the formula. Here, I = 2A and R = 10Ω.
Step 4: Calculate the voltage. Multiply 2A by 10Ω to get V = 2A * 10Ω.
Step 5: Perform the multiplication. 2 * 10 = 20.
Step 6: Write down the result. The voltage across the resistor is 20 volts (V).

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