Two identical coils with self-inductance of 250 µH each are connected in series. When connected series aiding, the equivalent inductance is 550 µH and 450 µH when connected in series opposing. How much is the coupling coefficient of two coils? a. 0.2 b. 0.3 c. 0.1 d. 0.4

Two identical coils with self-inductance of 250 µH each are connected in series. When connected series aiding, the equivalent inductance is 550 µH and 450 µH when connected in series opposing. How much is the coupling coefficient of two coils? a. 0.2 b. 0.3 c. 0.1 d. 0.4

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter20: Capacitance In Ac Circuits

Section: Chapter Questions

Problem 5PP: Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 -...

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