yesimbroke11
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

can someone help? Carmen y Teresa son hermanas que (prepararse) para un evento especial. “Nosotras (acostarse) temprano, ¿verdad?” dice Carmen. “Sí, y mañana yo
Ink can be used as a drawing and painting medium?
What are the solutions to the quadratic equation 3(x – 42 = 752
Mrs. Taylor is planning a pizza party for her students. She plans to purchase cheese pizza and pepperoni pizza for her students to enjoy. Cheese pizzas cost $8
Tell me about National Flag of Nepal in Paragraph.​
Help! Can you please help
5. In 2015, Texas led the nation in the percentage of people who lacked health insurance (21.6% of the population). It is known that, nationally, 5% of patients
Calculate the difference and enter it below. -5 - (-10)
Rewrite 24.5 as a mixed number in lowest terms. Rewrite 0.85 as a fraction in lowest terms.
the question is on the image​