A student rubs a glass rod with a silk cloth. Electrons move from the glass rod to the silk cloth.
Which statement about the glass rod is correct?
It is positively charged and is attracted by a positively charged object.
It is positively charged and is attracted by a negatively charged object.
It is negatively charged and is attracted by a positively charged object.
It is negatively charged and is attracted by a negatively charged object.
452 exam-style questions on CIE IGCSE Physics 4.2 Electrical quantities, covering 4.2.1a Positive and negative charge, 4.2.1b Charging by friction and detecting charge, 4.2.1c Electrical conductors and insulators, 4.2.1d Electric fields and electric field patterns, 4.2.2a Electric current, charge and measuring current, 4.2.2b Conduction in metals and the direction of current, 4.2.2c Direct current and alternating current, 4.2.3a Electromotive force, 4.2.3b Potential difference and voltmeters, 4.2.4a Resistance, 4.2.4b Resistance of a metallic wire, 4.2.4c Current–voltage graphs, and 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.