bipin90
bipin90 bipin90
  • 20-10-2020
  • Physics
contestada

A permanent magnet cannot be used in electrical bell .Why?​

Respuesta :

sbinsumait06 sbinsumait06
  • 20-10-2020

Answer:

we can not use permanent magnets in radio and electric bells , because permanent magnets loose their property after some time whereas we can change the properties of electromagnet.

Answer Link
83du4vgf2s
83du4vgf2s 83du4vgf2s
  • 20-10-2020
what he said, yup!! ^^^
Answer Link

Otras preguntas

The graph below shows the percentage of Latin American immigrants by age group. Which reason BEST explains why the largest percentage of immigrants are 30–39 ye
find the 8th term of the geometric sequence, given the first term and common ratio. a1=6 r=-1/3
which of these statements accurately explains why the common era begins with the birth of Jesus of Nazareth over 2000 years ago ?
I want to change my diet so I can be healthier within the next three months. What change would make this statement a more powerful goal? a. Make it attainabl
Bob and Carl each renter the same kind of moving truck from ez move. There was a flat rental fee plus charge per mile that the truck was driven. Bob cost for hi
Solve 0 = 4x2+12x+9.Select the equation that shows the correct substitution of a, b, and c in the quadratic formula.
what is the y value of this minimum
indentify two ways that the people's lives changed during the Neolithic revolution
BRAINLIESTTTT ASAP!!! Why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis?
What was the result of the scopes Monkey trial