Start learning →

A mobile phone talks to which kind of nearby equipment to make a call?

AA bus on a busy road
BA boat on a river
CA train on a track
DA tower with antennas
Answer & Solution
Correct answer: D. A tower with antennas
Cellular networks use ground based transmitter and receiver stations with antennas on towers or buildings.
Practise this question with Quill — Olympiad (Class 4) →

Keep practising Transport and Communication

Browse all Transport and Communication questions for Olympiad (Class 4), or explore more General Knowledge topics.

Start a Transport and Communication lesson →
Related questions