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What is the primary function of an antenna in a communication system?

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Question: What is the primary function of an antenna in a communication system?

Options:

  1. To amplify the signal
  2. To convert electrical signals into electromagnetic waves
  3. To modulate the signal
  4. To demodulate the signal

Correct Answer: To convert electrical signals into electromagnetic waves

Solution: 

An antenna converts electrical signals into electromagnetic waves for transmission and vice versa for reception.

What is the primary function of an antenna in a communication system?

Practice Questions

Q1
What is the primary function of an antenna in a communication system?
  1. To amplify the signal
  2. To convert electrical signals into electromagnetic waves
  3. To modulate the signal
  4. To demodulate the signal

Questions & Step-by-Step Solutions

What is the primary function of an antenna in a communication system?
Correct Answer: Antenna ka primary function hai electrical signals ko electromagnetic waves mein convert karna aur reception ke liye reverse process karna.
  • Step 1: Understand that an antenna is a device used in communication systems.
  • Step 2: Know that antennas are used to send and receive signals.
  • Step 3: Learn that when sending a signal, the antenna takes electrical signals and converts them into electromagnetic waves.
  • Step 4: Realize that when receiving a signal, the antenna does the opposite: it takes electromagnetic waves and converts them back into electrical signals.
  • Step 5: Conclude that the primary function of an antenna is to facilitate communication by converting signals between electrical and electromagnetic forms.
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