The spelling of the phrase "induced current" can be broken down phonetically as in-DOO-sd KUR-uhnt. The first syllable "in" is pronounced with a short "ih" sound followed by a diphthong "oo". The second syllable "du" has a long "oo" sound and the third syllable "sed" is pronounced with a short "uh" sound followed by a voiced "d" consonant. The final syllable "rent" is pronounced with a short "uh" sound followed by an unvoiced "nt" consonant. Overall, "induced current" is phonetically spelled as "in-DOO-sd KUR-uhnt."
Induced current refers to the flow of electric charge that is generated in a conductor or circuit due to a changing magnetic field. This phenomenon, known as electromagnetic induction, occurs when there is relative motion between the conductor and the magnetic field or when there is a change in the magnetic field strength that intersects the conductor.
The presence of a changing magnetic field induces an electric field within the conductor, which causes charged particles (usually electrons) to move, creating a current. The direction of the induced current is determined by the movement of the conductor and the strength and direction of the magnetic field.
The magnitude of the induced current depends on several factors, including the rate of change of the magnetic field, the area of the conductor, and the electrical resistance of the circuit. Additionally, the strength of the induced current can be increased by using a coil of wire (inductor) or by increasing the number of turns in the wire.
Induced current finds numerous applications in various devices and technologies, such as generators, transformers, electric motors, and electromagnetic sensors. It is also a fundamental principle underlying the operation of many electrical devices and plays a crucial role in the transmission and distribution of electrical power in electrical grids.
• See induction.
• Faradic current.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "induced" in the term "induced current" comes from the Latin word "inducere", which means "to lead in" or "to bring about". This term refers to the creation or induction of an electric current in a conductor by varying the magnetic field around it. This phenomenon was first discovered by Michael Faraday in the early 19th century, who observed that a changing magnetic field could induce a current in a nearby conductor.