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c) A solenoid of inductance 73. mH has a 450 turns and length 24 cm. Determine the i) cross sectional area of the solenoid ii) induced emf in the solenoid if its current drops from 3.2 A to zero in 55 ms.

c) A solenoid of inductance 73. mH has a 450 turns and length 24 cm. Determine the i) cross sectional area of the solenoid ii) induced emf in the solenoid if its current drops from 3.2 A to zero in 55 ms.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3. a) A 14 turns circular coils is placed on a paper which lies in 1.2 T magnetic field pointing inwards to the paper. The coil's diameter changes from 22.5 cm to 7.2 cm in 1.8 s. i) Determine the induced current. ii) Calculate the magnitude of the emf induced in the circuit. iii) Calculate the induced current if the circular coil resistance is 7.5 2. b) A circular coil of N turns with current 9.4 mA has inductance 15 mH. Calculate the i) magnetic flux linkage through the coil ii) radius of the coil if N = 420 turns c) A solenoid of inductance 73. mH has a 450 turns and length 24 cm. Determine the i) cross sectional area of the solenoid ii) induced emf in the solenoid if its current drops from 3.2 A to zero in 55 ms.
Transcribed Image Text:3. a) A 14 turns circular coils is placed on a paper which lies in 1.2 T magnetic field pointing inwards to the paper. The coil's diameter changes from 22.5 cm to 7.2 cm in 1.8 s. i) Determine the induced current. ii) Calculate the magnitude of the emf induced in the circuit. iii) Calculate the induced current if the circular coil resistance is 7.5 2. b) A circular coil of N turns with current 9.4 mA has inductance 15 mH. Calculate the i) magnetic flux linkage through the coil ii) radius of the coil if N = 420 turns c) A solenoid of inductance 73. mH has a 450 turns and length 24 cm. Determine the i) cross sectional area of the solenoid ii) induced emf in the solenoid if its current drops from 3.2 A to zero in 55 ms.
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