Physics for IGCSE & O level - Electricity (Section 1 - No. 30)
What is the relationship between the current and voltage in a resistor, according to Ohm's law?
They are inversely proportional.
They are directly proportional.
They are unrelated.
They are proportional to the square root.
Giải thích
Ohm's Law states that voltage and current are directly proportional if the resistance is constant.