Physics, 23.12.2021 14:00 glander2

2. A magnetic circuit has a continuous core of a ferromagnetic material. Coil is supplied from a battery and draws a certain amount of exciting current producing a certain amount a of flux in the core. If now an air gap is introduced in the core, the exciting current will: (A) increase (B) remain same. (C) decrease (D) become 0.

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2. A magnetic circuit has a continuous core of a ferromagnetic material. Coil is supplied from a bat...

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