Physics for IGCSE & O level - Electricity (Section 4 - No. 47)
What happens to the current in a circuit if the voltage is constant and the resistance increases?
The current increases.
The current decreases.
The current stays the same.
The current becomes zero.
คำอธิบาย
According to Ohm's law (V=IR), if R increases and V is constant, I decreases.