ayush123 said:i am having a doubt that when we find a expression for mutual inductance we say that flux change in primary coil induces emf in secondary coil. but why change in flux doesn't induce any current in primary coil also.
Self inductance is a property of a circuit that causes a change in the flow of current to induce a voltage in the same circuit.
Self inductance is measured in a unit called henries (H). It can be calculated by dividing the induced voltage by the rate of change of current.
Mutual inductance is a property of two separate circuits that causes a change in the flow of current in one circuit to induce a voltage in the other circuit.
Self inductance and mutual inductance are both related to the flow of current and the resulting voltage changes. However, self inductance is within a single circuit, while mutual inductance is between two separate circuits.
Both self inductance and mutual inductance can cause unwanted voltage changes in a circuit, which can lead to issues such as interference and inefficiency. They are important to consider in circuit design and can be managed by using proper shielding and designing for minimal inductance.