What is the effect of increasing the length of a transmission line on its impeda

Practice Questions

Q1
What is the effect of increasing the length of a transmission line on its impedance?
  1. Impedance decreases
  2. Impedance remains constant
  3. Impedance increases
  4. Impedance fluctuates

Questions & Step-by-Step Solutions

What is the effect of increasing the length of a transmission line on its impedance?
  • Step 1: Understand what a transmission line is. It is a conductor that carries electrical signals from one point to another.
  • Step 2: Know that impedance is a measure of how much a circuit resists the flow of electric current.
  • Step 3: Realize that when the length of the transmission line increases, the distance the electrical signal has to travel also increases.
  • Step 4: Recognize that a longer path means more resistance to the flow of current, which leads to higher impedance.
  • Step 5: Conclude that as the length of the transmission line increases, its impedance also increases.
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