Science, asked by hshhjsh27gmailcom, 7 months ago

Electromagnets have following advantages over permanent magnets:

they can be turned ON and OFF.

The strength of the magnetic field can be varied.

Both of the above

None of the above

Answers

Answered by ritikthakur69

0

Answer:

the ans is

a) both of the above

Previous Question

Next Question

Similar questions

History, 3 months ago

What idea, achievement, or life event is associated with Aristotle? tutored Alexander the Great thought philosopher-kings should run the government condemned to death by poison...

Physics, 3 months ago

5. Define primary and secondary colours with suitable examples.

Science, 3 months ago

संघ पोरीफेरा के दो जंतुओं के नाम लिखिए।...

Physics, 7 months ago

calculate how much volume of 8g.hydrogen gas occupies at STP...

Math, 7 months ago

எண்ணத்தில் மாசு அனைத்து சீரழிவுகளுக்கும் காரணம் கட்டுரை ...

Math, 11 months ago

sin(A-B)=3/5 and sin(A+B)=4/5.Find value of sin 2A?

Geography, 11 months ago

mind map of resources and development lesson ...

Math, 11 months ago

convert decimal into mixed fraction 6.4,8.36,4.275,25.06,7.004,2.052,3.108 if u know then only give proper answer and write all the steps ...