Physics, 03.07.2019 23:30 srshelton

What is the purpose of the metal core in an electromagnet? a) it is magnetized and induces a current in the solenoid to decrease the magnetic field strength. b) it is magnetized and induces a current in the solenoid to increase the magnetic field strength. c) it is magnetized by the field of the solenoid and increases the magnetic field strength. d) it is magnetized by the field of the solenoid and decreases the magnetic field strength.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 17:00, gg68814

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

Answers: 2

continue

Physics, 22.06.2019 17:40, swaggirllely36

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Answers: 2

continue

Physics, 23.06.2019 04:00, abelinoperez652

Acaregiver's love, affection, and acceptance are considered conditional if they're given only when the child is well-behaved or meets set expectations. t or f

Answers: 3

continue

Physics, 23.06.2019 04:10, jennycrapson

The release of energy by the nucleus of atom as a result of nuclear fission is radiant energy true false

Answers: 2

continue

You know the right answer?

What is the purpose of the metal core in an electromagnet? a) it is magnetized and induces a curre...