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

Explain step by step how to estimate the square root of 13 and show your work

Please help with 6 and 7

Acidity is measured on the pH scale. The acidity of a substance is given by pH=−logH, where H is the concentration of Hydrogen ions. If a substance has a pH of

Which was NOT a technology found in Indian civilization?

What is the reciprocal of cell constant?

Alex believes the honor roll students at his school have an unfair advantage in being assigned to the science class they request. He asked 500 students at his s

When Esperanza describes people from outside of Mango Street as "Those Who Don't," she means that unlike her, they ______ . Question 3 options: feel safe and co

whats the best form of art and why? Have it be music, perspective, etc.

What's the name of the first woman who started nursing?

Solve this 4 ∙ 7 1/2 ∙ 1 3/5