Two charged rods, P and Q, are brought, in turn, near to a positively charged rod.
P is repelled by the positively charged rod, and Q is attracted.
What are the charges on P and Q?
P is negative, Q is positive
P is negative, Q is negative
P is positive, Q is positive
P is positive, Q is negative
145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.