जॉइन Examsbook
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प्र: A Fuse is used in mains electric supply as a safety devices. Which one of the following statements about the fuse is correct?

  • 1
    It is connected in parallel with the main switch
  • 2
    It is made mainly from silver alloys
  • 3
    It must have a low melting point
  • 4
    It must have a very high resistance
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उत्तर : 3. "It must have a low melting point"
व्याख्या :

Answer: C) It must have a low melting point Explanation:

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