Chemistry, 26.11.2020 07:00 chelsiem25

What can be done to remove a magnetic force around an electromagnet made of a coiled copper wire wrapped around an iron bar and connected to a
power source?
O A. Uncoil the wire.
B. Remove the iron bar.
C. There is always a small magnetic force around the wire.
D. Stop the current.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 22:30, erikloza12pdidtx

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Answers: 1

continue

Chemistry, 21.06.2019 23:30, huangjianhe135

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Answers: 2

continue

Chemistry, 22.06.2019 06:00, Kjswagout5052

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Answers: 2

continue

Chemistry, 22.06.2019 17:00, lulu5563

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

Answers: 3

continue

You know the right answer?

What can be done to remove a magnetic force around an electromagnet made of a coiled copper wire wr...