A high-precision electroplating bath uses a steady current of 2.8 A to deposit silver onto a piece of jewellery.
Calculate the charge that flows through the bath in 45 minutes45\text{ minutes}45 minutes.
Use the equation:
charge flow=current×time \text{charge flow} = \text{current} \times \text{time} charge flow=current×time32 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current. Each one has a worked solution and a mark scheme showing where the marks go.