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Electromagnetism Questions and Answers (Q&A)

John Smith
Answered: Apr 09, 2020
The electrons on the sphere move to the far side of the sphere and repel the negative charge

1 Answer

223 views
J.Spencer, Knowledge enthusiast
Answered: Nov 27, 2018
The answer is actually quite simple. It is the fundamental property of a charge to generate a magnetic field. That’s all there is to it. Yes, there is a relatively tough scientific...Read More

2 Answers

217 views
Matz Lewis Clark, College student
Answered: Dec 13, 2018
Solenoids are used in door bells and electronic valves and switches. Every washing machine has solenoids to open or close the valves or release detergents into the washing machine when needed. A...Read More

1 Answer

206 views
Barry Mclean, Sales Manager
Answered: Dec 17, 2018
In electromagnetism and electronics, inductance is the attribute of an electrical conductor by which the charge and current flowing through it induces an electromotive force in both the conductor...Read More

1 Answer

206 views
Necaps
Answered: Apr 09, 2020
It is the force that causes the interaction between electrically charged particles.

Why is this relavent? Electromagnetism is one of the four fundamental interactions of nature. In...Read More

1 Answer

206 views
J. Harty, Writer
Answered: Dec 13, 2018
Electric field sensors measure the local atmospheric field at the earth's surface and the fluctuations in the field strength. By monitoring the field strength, the potential for cloud to ground...Read More

1 Answer

206 views
John Smith
Answered: Apr 09, 2020
A current in a loop of conducting wire that is caused by a changing magnetic field in the circle formed by the loop.

This is also the same principle is used to charge rechargeable...Read More

1 Answer

204 views
John Smith
Answered: Apr 09, 2020
X = Horizontal, Y = Vertical and Z = Diagonal

This is the standard direction for the X,Y and Z axis.

1 Answer

203 views
Matz Lewis Clark, College student
Answered: Dec 13, 2018
A magnetic field can be made by passing an electric current through a wire, and electromagnets are used for creating plenty of appliances ranging from motors, speakers, heads for tape drives, and...Read More

1 Answer

203 views
John Smith
Answered: Apr 09, 2020
Both emitted and reflected energy

Yes Emitted could be right and so could Refelected... but there is only one correct answer.

1 Answer

201 views
John Smith
Answered: Apr 09, 2020
To measure for safe ranges of electromagnetic fields.

The KII website still markets this device as a safe range meter.

1 Answer

201 views
Barry Mclean, Sales Manager
Answered: Dec 17, 2018
Electrical fields are made by voltage and increase as the voltage intensifies. The strength of the electric field is quantified in units of volts per meter. Electric fields diminish rapidly the...Read More

1 Answer

201 views
John Smith
Answered: Apr 09, 2020
Electric Can Opener

Motors that do significant work such as power drills or in this case a can opener, produce large amounts of EMF (up to 600mg at 1 foot away!)

1 Answer

201 views
John Smith
Answered: Apr 09, 2020
Coiled electrical wires within the walls.
Faulty or out of date household devices.

Any coil of wire containing current is a source of high EMF.

1 Answer

201 views

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