Definition

1. Noun:
   • The ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries: This is a physical property of an electrical circuit, particularly a coil, that quantifies its opposition to a change in the electric current flowing through it. It is a measure of self-inductance.

Usage

• The term "coefficient of self induction" is used in the field of electromagnetism and electrical engineering. It describes a fundamental characteristic of an inductor or a conductive loop. It is a scalar quantity.

Examples

• Noun:
  • The coefficient of self induction of the solenoid determines how much voltage it generates for a given change in current.
  • Calculating the coefficient of self induction is essential for designing efficient transformer coils.

Advanced Usage

• "coefficient of self induction" in circuit analysis: This property is crucial for analyzing transient responses in RL (resistor-inductor) circuits and for understanding energy storage in magnetic fields.
  • The time constant of the RL circuit is directly proportional to the coefficient of self induction.

Variants and Related Words

• Self-inductance (n): This is the more common modern term synonymous with "coefficient of self induction".
  • The self-inductance of the coil was measured to be 5 millihenries.
• Inductance (n): A broader term that can refer to both self-inductance and mutual inductance.
• Henry (n): The SI unit of measurement for the coefficient of self induction/inductance.

Synonyms

• Self-inductance: The direct synonym.
• Inductance (when context implies self-inductance): Often used interchangeably in specific contexts.

Notes on Usage

• The phrase "coefficient of self induction" is a technical, compound noun. In modern technical language, the single word "inductance" or the compound "self-inductance" is more frequently used. The full phrase is often found in foundational physics and engineering textbooks.

Noun

1. the ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries