Physics, 15.04.2021 01:10 rafexRaex2914
Which statement is not true about electromagnets?
A. The electric current in an electromagnet generates a magnetic and electric field surrounding the wire.
B. Electromagnets can be turned off and on. When they are turned off the magnetism disappears.
C. Increasing the voltage of the electromagnet will cause the current to increase, thus increasing the strength of the electromagnet.
D. None of the statements are false
Answers: 1
Another question on Physics
Physics, 21.06.2019 20:40
In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.
Answers: 3
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
Physics, 22.06.2019 10:00
Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer
Answers: 2
Physics, 22.06.2019 17:50
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
You know the right answer?
Which statement is not true about electromagnets?
A. The electric current in an electromagnet gener...
Questions
Mathematics, 22.01.2021 23:40
Mathematics, 22.01.2021 23:40
Mathematics, 22.01.2021 23:40
History, 22.01.2021 23:40
Mathematics, 22.01.2021 23:40
Mathematics, 22.01.2021 23:40
English, 22.01.2021 23:40
Spanish, 22.01.2021 23:40
