Question
Electromagnets can be used to lift heavy loads.
Answer: Option A
:
A
Electromagnets are temporary magents. The strength of an electromagnet can be varied by varying the current in the circuit. Electromagnets can be used to separate magnetic materials from the junk. In cranes, electromagnets are used to lift heavy loads.
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:
A
Electromagnets are temporary magents. The strength of an electromagnet can be varied by varying the current in the circuit. Electromagnets can be used to separate magnetic materials from the junk. In cranes, electromagnets are used to lift heavy loads.
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