(a)[2]
State and explain why the country is divided into cells.
(b)[4]
State two reasons why the base stations operate on UHF frequencies.
Physics 9702 · AS & A Level · Characteristics of alternating currents
Characteristics of alternating currents — practice question
In a mobile phone system, the country is split into several cells, and each cell has its own base station.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The same carrier frequencies are reused in cells that are not next to each other.” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI