CUET Preparation Today
| A bulb connected in series with a solenoid is lit by an AC source. If a soft iron core is introduced in the solenoid then : |
No change Bulb glow brighter Bulb glow dimmer Cannot predict |
| Bulb glow dimmer |
| The bulb will glow dimmer because when a soft iron core is introduced in the solenoid then, its inductive reactance (XL = ωL) will increase, as a result of which the current through the bulb decreases. |
