channels comparison

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With a 30 m long coaxial cable, bandwidth can exceed

With a 30 m long coaxial cable, bandwidth can exceed
  • A. 100 MHz
  • B. 1000 MHz
  • C. 50 MHz
  • D. 300 MHz
  • Correct Answer: Option A

Frequency of sky waves is

Frequency of sky waves is
  • A. less then 3 MHz
  • B. more than 3 MHz
  • C. less than 2 MHz
  • D. exactly 2 MHz
  • Correct Answer: Option B

Geostationary satellite has period

Geostationary satellite has period
  • A. twice of Earth
  • B. same as Earth
  • C. half of Earth
  • D. quarter of Earth
  • Correct Answer: Option B

Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as

Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as
  • A. crosstalk
  • B. signal attenuation
  • C. sampling
  • D. crosslinking
  • Correct Answer: Option D

Energy is lost in wires due to

Energy is lost in wires due to
  • A. heating
  • B. resistance
  • C. conduction
  • D. both A and B
  • Correct Answer: Option D