Question

Which of the following is NOT a practical use of an electromagnet? 
options
1)Used in television
2)Used to measure resistance in an electric circuit.
3)Used in magnetic separation of iron ores
4) Used to prepare strong permanent magnets.​

Answer 1

Answer:

1)1)Used in television

Answer 2

Answer:

The answer is; 2) used to measure resistance in an electric circuit .

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