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Which of the following is an analogy for electrical current? (2021)

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Question: Which of the following is an analogy for electrical current? (2021)

Options:

  1. Water flow in a pipe
  2. Air flow in a room
  3. Heat transfer in a metal
  4. Sound waves in the air

Correct Answer: Water flow in a pipe

Exam Year: 2021

Solution:

Electrical current can be compared to water flow in a pipe, where the flow of water represents the flow of electric charge.

Which of the following is an analogy for electrical current? (2021)

Practice Questions

Q1
Which of the following is an analogy for electrical current? (2021)
  1. Water flow in a pipe
  2. Air flow in a room
  3. Heat transfer in a metal
  4. Sound waves in the air

Questions & Step-by-Step Solutions

Which of the following is an analogy for electrical current? (2021)
  • Step 1: Understand what electrical current is. It is the flow of electric charge in a circuit.
  • Step 2: Think about how water flows through a pipe. The movement of water represents something moving from one place to another.
  • Step 3: Compare the flow of electric charge to the flow of water. Just like water moves through a pipe, electric charge moves through wires.
  • Step 4: Realize that the amount of water flowing can be compared to the amount of electric charge flowing. More water means more flow, just like more electric charge means more current.
  • Step 5: Conclude that the analogy of water flow in a pipe is a good way to understand electrical current.
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