Question
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
Answer Options
- A) 8 volts
- B) 0.2 volts
- C) 12 volts
- D) 20 volts
Correct Answer: D
Explanation
Using the Ohm’s Law formula for voltage: E = I \times R (T5D02).
E = 2\text{ A} \times 10\text{ Ohms} = 20\text{ Volts}. This reinforces the concept that voltage drop is directly proportional to the current flowing through a fixed resistance.
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