Why does voltage increase (for a constant current) if temperature increases?
Voltage is directly proportional to resistant (V=IR) and resistance increases with temperature due to increased vibrations of the molecules inside the conductor. Therefore voltage increases as temperature increases.
AH
Related Physics GCSE answers
All answers ▸What is Newton's first law of motion?
A block of mass 5kg is placed on the end of a meter rule on the end of a table. Calculate the moment that is produced by the block.
Describe the forces acting on a skydiver over time, from the moment she jumps out of the plane until hitting the ground and the effect this has on her velocity. What happens when she opens her parachute?
What is the difference between reflection, refraction and diffraction?