This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Explain how magnetism is created in a coil of wire. What will be an ideal ... (Read 63 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
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

  • Member
  • Posts: 560
Reply 2 on: Jul 26, 2018
Excellent

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

One danger of a wire fence is that, as shown in this photo, it is practically invisible; a running a One danger of a wire fence is that, as shown in this photo, it is practically invisible; a running a
Chrysler Hemi V-8 that has two spark plugs per cylinder. The coil on top of one spark fires that ... Chrysler Hemi V-8 that has two spark plugs per cylinder. The coil on top of one spark fires that ...
A track inside an ignition coil is not a short, but rather it is a low-resistance path or hole that ... A track inside an ignition coil is not a short, but rather it is a low-resistance path or hole that ...
A spark tester connected to a spark plug wire or coil output. A typical spark tester will fire only ... A spark tester connected to a spark plug wire or coil output. A typical spark tester will fire only ...
Understanding Food Claims Not all label claims are created equal! Understanding Food Claims Not all label claims are created equal!
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library