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 Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related