what is left in our formula working formula what was there is a mu equal to 2 pi d capital L divided by capital L f by I square.
आता या सूत्राला मधले काय मिळवायचे राहिले आहे, त्याच्यामध्ये काय होते a mu बरोबर आहे 2 pi d capital L divided by capital L f by I square.