All categories

3 years ago

7. Which of the following is a disadvantage of an electromagnet?

Engineering

1 answer:

Sati [7]3 years ago

7 0

Answer:

I think

electromagnets require power to operate

You might be interested in

A disk of radius 2.1 cm has a surface charge density of 5.6 µC/m2 on its upper face. What is the magnitude of the electric field

Assoli18 [71]

Answer:

$=6.3*10^3 N/C$

Explanation:

solution:

from this below equation (1)

$E=$ σ/2εo $(1-\frac{z}{\sqrt{z^2-R^2} } )$ ...........(1)

we obtain:

$=5.6*10^-6 \frac{c}{m^2} /2(8.85*10^-12\frac{c^2}{N.m^2} ).(1-\frac{9.5 cm}{\sqrt{9.5^2-2.1^2} } )$

$=6.3*10^3 N/C$

8 0

3 years ago

Pls follow me in brainly

Sergio [31]

Answer:

sure

Add on:

5 0

3 years ago

Read 2 more answers

What is the core domain for Accenture’s Multi-party Systems practice?

12345 [234]

Answer:

Explanation:

digital identity is the answer

6 0

3 years ago

Which of the following statements best describes the relationship between availability of new green building products and custom

Fed [463]

Answer:

Explanation:

4 0

3 years ago

What can employers do to help ensure safety in a confined space? Employers can:

Lera25 [3.4K]

Answer:

option 3 is the correct answer

5 0

3 years ago