- #1
gaganpreetsingh
- 24
- 0
Suppose i have a wooden ring and a time varying magnetic field is passed through it. Then will there be induced emf.
Induced emf, or induced electromotive force, is a phenomenon where a changing magnetic field induces an electric current in a conductor or circuit.
Regular emf is generated by a battery or power source, while induced emf is created by a changing magnetic field. Induced emf does not require a physical connection between the magnetic field and the conductor, while regular emf does.
The magnitude of induced emf is affected by the strength of the magnetic field, the rate at which the magnetic field changes, and the size and orientation of the conductor or circuit.
Induced emf is used in a variety of technologies, including generators, motors, and transformers. It is also utilized in wireless charging and electromagnetic induction cooking.
Induced emf can potentially be harmful to humans if they are exposed to very strong magnetic fields or if they have certain medical devices, such as pacemakers, that can be affected by the induced current. However, in most everyday situations, induced emf is not harmful to humans.