Electricity is transmitted over long distances from power stations to consumers.
Which row in the table correctly describes the voltage and current used during transmission, and the primary reason for this choice?
| Transmission voltage and current | Reason | |
|---|---|---|
| A | High voltage and low current | To reduce energy loss |
| B | High voltage and high current | To reduce energy loss |
| C | Low voltage and high current | For safety |
| D | Low voltage and low current | For safety |
Row A
Row B
Row C
Row D
136 exam-style questions on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer. Each one has a worked solution and a mark scheme showing where the marks go.