A mobile phone is one of the many electrical appliances, which makes use of both the chemical and magnetic effects
of an electric current. Can you describe how the mobile phone makes use of these effects?प्लीज आंसर ऑफ दिस क्वेश्चन
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Mobile phones are low-powered radiofrequency transmitters, operating at frequencies between 450 and 2700 MHz with peak powers in the range of 0.1 to 2 watts. The handset only transmits power when it is turned on. The power (and hence the radiofrequency exposure to a user) falls off rapidly with increasing distance from the handset. A person using a mobile phone 30–40 cm away from their body
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