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Author Question: Explain how magnetism is created in a coil of wire. What will be an ideal ... (Read 65 times)

leilurhhh

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on: Jul 26, 2018
Explain how magnetism is created in a coil of wire.
 
  What will be an ideal response?

Question 2

What is the minimum desired return water temperature for a gas-fired boiler?
 
  A) At least 80F returning to the boiler B) At least 140F returning to the boiler
  C) At least 100F returning to the boiler D) At least 180F returning to the boiler


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wilsonbho

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Reply #1 on: Jul 26, 2018
Answer to Question 1

When current flows through a coil of wire, flux lines are created which creates a magnetic field. As current is increased, the magnetic field becomes stronger.

Answer to Question 2

B


leilurhhh

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Reply 2 on: Jul 26, 2018
Excellent

brbarasa

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Reply 3 on: Yesterday
Wow, this really help

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