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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Find the inductance per unit length of a double tape line if the tapes are seperated by a distance t which is considerably less than their width b (t<<b). The current is flowing in the two sheets of the tape line in opposite direction as shown in fig.

Find the inductance per unit length of a double tape line if the tapes are seperated by a distance t which is considerably less than their width b (t<<b). The current is flowing in the two sheets of the tape line in opposite direction as shown in fig.

How many meters of a thin wire required to manufacture a solenoid of length lo and inductance L if the solenoid cross sectional diameter is considerably less than its length?