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Electronic Devices question

2006 · Shift 0 · Q102
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Electronic Devices question

2006 · Shift 0 · Q102

JEE MainPhysicsElectronic DevicesMCQ+4 / −1
A solid which is not transparent to visible light and whose conductivity increases with temperature is formed by
  1. A
    Ionic bonding
  2. B
    Covalent bonding
  3. C
    Vander Waals bonding
  4. D
    Metallic bonding
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