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Electromagnetic Induction — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Induction1 Mark
Question

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

(b) Intensity of the bulb decreases

(c) Intensity of the bulb increases

(d) The bulb ceases to glow
✓

Answer

(b) Intensity of the bulb decreases

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