What is the difference between A.C. and D.C.?
A.C. stands for alternating current, and the current constantly changes direction. D.C. stands for direct current, and the current only flows in one direction.
SS
Related Physics GCSE answers
All answers ▸What is the wavelength of a wave travelling at 20ms^-1 with a time period of 0.2s
What does a velocity-time graph represent?
which part of the electromagnetic spectrum provides most of the energy to heat the water in a solar thermal power station?, how does this heated water allow electricity to be generated?
State Newton's 3 Laws in words and/or mathematically