A soft iron rod is inserted in the solenoid . After this what will be the effect on the brightness of the bulb ?

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A soft iron rod is inserted in the solenoid . After this what will be the effect on the brightness of the bulb ?
27
Oct
A soft iron rod is inserted in the solenoid . After this what will be the effect on the brightness of the bulb ? A soft iron rod is inserted in the solenoid . After this what will be the effect on the brightness of the bulb ? October 27, 2020 Category: Uncategorised (JEE Advanced [...]
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