China's 'Nuclear Drone' Innovation Quiz
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Questions and Answers

What is the primary source of energy used in Betavoltaic batteries?

  • Gamma rays
  • Neutrons
  • Beta particles (correct)
  • Alpha particles

    • Why have Betavoltaic batteries become a research hotspot in the field of microenergy?

  • Due to their large size and weight
  • Because of their high energy density and long service life (correct)
  • For their low energy conversion efficiencies
  • Because they use solar energy to function

    • What has impeded the further application of Betavoltaic batteries according to the text?

  • Technological advancements
  • High energy conversion efficiencies
  • Long service life
  • Low energy conversion efficiencies and technological limitations (correct)

    • What distinguishes the lifespan of the BV100 Betavolt battery from others?

    <p>Employs nickel-63 with a half-life exceeding 100 years</p> Signup and view all the answers

    Why are Tritium isotopes considered safer than nickel-63 for use in betavoltaic batteries?

    <p>Tritium radiation can be quickly excreted from the body</p> Signup and view all the answers

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