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Which of the following is not true of electromagnets?

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in Analytical Instrumentation by (131k points)
Which of the following is not true of electromagnets?

(a) They are expensive

(b) They require a power supply

(c) They don’t require a cooling system

(d) They don’t require extensive shielding

This question was posed to me in semester exam.

My question comes from Continuous Wave NMR Spectroscopy in portion Nuclear Magnetic Resonance Spectrometer of Analytical Instrumentation

1 Answer

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Best answer
Right answer is (c) They don’t require a cooling system

Explanation: Electromagnets require a power supply. They also require cooling systems.

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