yesimbroke11 yesimbroke11

02-06-2022
Chemistry

contestada

Which of these is NOT true about electromagnets?

They are permanent.

Increasing the battery makes them stronger.

They need a battery or other source of current.

Increasing the number of coils makes them stronger.

Respuesta :

jsimpson11000 jsimpson11000

02-06-2022

Answer:

Permanent = false

Explanation:

All of the other choices are true

Answer Link

Otras preguntas

What is one right or freedom from the First Amendment?*

In an oxidation-reduction reaction, the number of electrons lost is (1) equal to the number of electrons gained (2) equal to the number of protons gained (3) le

Who makes federal laws?

Who is in charge of the executive branch?

Name one of the two longest rivers in the United States.

Given the balanced equation representing a reaction: O2 --> O + O What occurs during this reaction? (1) Energy is absorbed as bonds are brok

what is the value of the underlined digit in 56.123? one is underlined

What are the two major political parties in the United States?

what is the value of the underlined digit in 56.123? one is underlined

What was one important thing that Abraham Lincoln did?