Q. The sample is contained in which of the following components?

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Q. The single coil probe supplies the RF radiation to the sample and also serves as a part of which of the following circuits?

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Q. Nuclear induction probes’ one coil is used for signal detection. What is the function of the other coil?

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Q. The voltage generated by the receiver coil is small and it must be amplified.

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Q. The amplification required for continuous-wave NMR is of the order of which of the following?

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Q. Which of the following can be used instead of magnets to produce the magnetic field?

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Q. How is the inhomogeneity of magnetic fields compensated?

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Q. Fourier transform NMR spectrometer allows NMR transitions to be observed simultaneously.

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Q. Fourier transform NMR spectrometer has which of the following characteristics?

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Q. Which of the following cannot be done due to the multiplex advantage?

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Q. Two coils are necessary for Fourier transform NMR spectroscopy.

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Q. Which of the following is the disadvantage of conventional mode of spectrometer or continuous-wave NMR spectrometer?

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Q. Which of the following must be done to improve sensitivity?

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Q. Which of the following is the disadvantage of multichannel excitation?

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Q. How can the need for an array of narrow-band filters and detectors be eliminated?

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Q. Fourier transform can be accomplished by using which of the following components?

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Q. A 15.4 MHz crystal generates the _________ resonance frequency.

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Q. Sensitivity is the ratio of peak signal amplitude to which of the following?

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Q. Which of the following is not an operating technique for sensitivity enhancement?

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Q. Which of the following techniques do not enhance sensitivity by a factor of 10 at normal operating conditions?

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