What is electric charge?
What is electric charge?
Electric charge is a property of matter. It can be positive or negative, with like charges repelling and unlike charges attracting. An object is neutral when its total positive and negative charge balance. If they do not balance, the object has a net charge.
Step-by-step lessons on OCR A A Level Physics Charge. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.