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The magnet used in ESR spectrometer provides a magnetic field which can be varied from ________ to _______

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The magnet used in ESR spectrometer provides a magnetic field which can be varied from ________ to _______

(a) 20 mgauss, 100mgauss

(b) 200 mgauss, 20kgauss

(c) 20 mgauss, 20kgauss

(d) 100 mgauss, 10kgauss

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Question is taken from Instrumentation of ESR Spectrometer in division Electron Spin Resonance Spectrometers of Analytical Instrumentation

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The correct choice is (b) 200 mgauss, 20kgauss

Easy explanation: The magnet used in ESR spectrometer provides a magnetic field which can be varied from 200 mgauss to 20kgauss. It is calibrated in steps.

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