Dot Convention

Coupled inductors, mutual inductance.

Mohith N
Updated: 19 March 2026
7 min read

Dot Convention Quiz

Test your understanding of the dot convention for coupled inductors and the determination of mutual inductance polarity in circuits.

Question 1 of 3

Q1.Two coupled inductors L1 and L2 have mutual inductance M. Current i1 enters the dotted terminal of L1. The voltage induced in L2 due to mutual coupling will appear: