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Delhi Police SI Electric Bulb — practice questions

Explore 1 free Electric Bulb questions in Delhi Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Electric Bulb questions and exercises with answers

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______ is the metal used for making the filament of a light bulb.Read the answer and worked solution →

Worked practice questions

______ is the metal used for making the filament of a light bulb.

  1. Tungsten
  2. Copper
  3. Nichrome
  4. Nickel
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Correct answer: A. Tungsten

1. A bulb filament must withstand very high temperatures without melting. 2. Tungsten has an extremely high melting point and glows on heating. 3. Hence tungsten is used for the filament. _Source: RRB Group D CEN-02/2018 PYQ, Q.90._

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