• 2022-05-27 问题

    Which of the following statements are correct? A: The greater the modulus, the stiffer the material. B: The stiffer the material, the higher the resistance of the material to deformation. C: The higher the magnitude of elastic modulus, the higher the magnitude of the inter-atomic bonding forces in a material. D: The higher the magnitude of elastic modulus, the lower the magnitude of the intermolecular bonding forces in a material.

    Which of the following statements are correct? A: The greater the modulus, the stiffer the material. B: The stiffer the material, the higher the resistance of the material to deformation. C: The higher the magnitude of elastic modulus, the higher the magnitude of the inter-atomic bonding forces in a material. D: The higher the magnitude of elastic modulus, the lower the magnitude of the intermolecular bonding forces in a material.

  • 2021-04-14 问题

    The magnitude of a moment is the product of the force and().

    The magnitude of a moment is the product of the force and().

  • 2022-06-04 问题

    Which statement as follows is right? A: The potential equals everywhere the magnitude of electric field intensity is equal. B: The magnitude of electric field intensity equals everywhere the potential is equal. C: The potential must be high where the magnitude of electric field intensity is great. D: The potential is not necessarily zero where the magnitude of electric field equals zero.

    Which statement as follows is right? A: The potential equals everywhere the magnitude of electric field intensity is equal. B: The magnitude of electric field intensity equals everywhere the potential is equal. C: The potential must be high where the magnitude of electric field intensity is great. D: The potential is not necessarily zero where the magnitude of electric field equals zero.

  • 2022-06-07 问题

    Phase lag compensation can reduce the cut-off frequency of the system after compensation by means of_____ in the intermediate and high-frequency band of the original system, so as to obtain sufficient phase margin with the help of the phase at this frequency of the original system. A: magnitude attenuation B: phase lag C: magnitude increase D: magnitude unchanged

    Phase lag compensation can reduce the cut-off frequency of the system after compensation by means of_____ in the intermediate and high-frequency band of the original system, so as to obtain sufficient phase margin with the help of the phase at this frequency of the original system. A: magnitude attenuation B: phase lag C: magnitude increase D: magnitude unchanged

  • 2022-06-19 问题

    When the number of turns in a solenoid and its length are both doubled, the ratio of the magnitude of the new magnetic field inside to the magnitude of the original magnetic field inside is: A: 0.25 B: 0.50 C: 1 D: 2 E: 4

    When the number of turns in a solenoid and its length are both doubled, the ratio of the magnitude of the new magnetic field inside to the magnitude of the original magnetic field inside is: A: 0.25 B: 0.50 C: 1 D: 2 E: 4

  • 2021-04-14 问题

    Any measurement made is the ratio of the measured magnitude(数值) to an accepted(公认的) unit of measurement.

    Any measurement made is the ratio of the measured magnitude(数值) to an accepted(公认的) unit of measurement.

  • 2022-05-29 问题

    I made a _______out of paper and glue. A: gratitude B: model C: analogy D: magnitude

    I made a _______out of paper and glue. A: gratitude B: model C: analogy D: magnitude

  • 2022-05-31 问题

    The scent of the cigarette was an intrusion in the ( ) of snow and fir. A: latitude B: solitude C: magnitude D: altitude

    The scent of the cigarette was an intrusion in the ( ) of snow and fir. A: latitude B: solitude C: magnitude D: altitude

  • 2022-06-09 问题

    As long as two forces have the same magnitude and are in opposite directions, these two forces form a couple.

    As long as two forces have the same magnitude and are in opposite directions, these two forces form a couple.

  • 2022-06-09 问题

    The magnitude of the development was apparent to the architects. A: courage B: great size C: diminution D: opposition

    The magnitude of the development was apparent to the architects. A: courage B: great size C: diminution D: opposition

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