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Chapter 2

Basic Electronics

Nepal Telecom past exam questions

Past questions and answers

2 questions set from this chapter. Most repeated first.

  • 2081 · 2nd · 1 mark

With a 900V source, voltage is divided across 3 series resistors of 300V, 280V and ...... A) 30V B) 270V C) 320V D) 300V

Answer

(c) 320V

In a series circuit the source voltage equals the sum of the voltage drops, so the third drop is 900−(300+280)=320 V900 - (300 + 280) = 320\text{ V}.

Answer checked by Claude Sonnet · Oct 21, 2026

Test yourself · 1 MCQ

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  • 2081 · 2nd · 1 mark

Which of the following is the function of the antenna? A) Converts electrical to electromagnetic energy B) Converts electromagnetic to electrical energy C) Converts magnetic field to electrical field D) Both A and B

Answer

(d) Both A and B

An antenna is a bidirectional transducer: when transmitting it converts electrical (guided) energy into electromagnetic (radiated) waves, and when receiving it converts the incoming electromagnetic waves back into electrical energy. Hence both A and B are functions of the antenna.

Answer checked by Claude Haiku · Oct 21, 2026

Test yourself · 1 MCQ

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Questions from Nepal Telecom Telecom Technician Lok Sewa (Telecom Technician 4th, Technical · 2nd · 2081). Answers are written for this site; check them against your class notes.