Which of the following is not true of electromagnets? – McqOptions

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1.	Which of the following is not true of electromagnets?
A.	They are expensive
B.	They require power supply
C.	They don‚Äö√Ñ√∂‚àö√ë‚àö¬•t require cooling system
D.	They don‚Äö√Ñ√∂‚àö√ë‚àö¬•t require extensive shielding
Answer» D. They don‚Äö√Ñ√∂‚àö√ë‚àö¬•t require extensive shielding

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