MCQ
A coil and a bulb are connected in series with a dc source, a soft iron core is then inserted in the coil. Then
  • A
    Intensity of the bulb remains the same
  • Intensity of the bulb decreases
  • C
    Intensity of the bulb increases
  • D
    The bulb ceases to glow

Answer

Correct option: B.
Intensity of the bulb decreases
 Intensity of the bulb decreases

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