10. At what frequency will a 20.0-mH inductor have an inductive reactance of 100 ?A. 666.5 HzB. 795.8 HzC. 879.4 HzD. None11. A current of 6.0 A in the 150-turn primary of an ideal transformer causes 12 A to flow in thesecondary. How many turns are in the secondary?B. 14A. 4C. 75D. 11012. How much current must flow through a long straight wire for the magnetic field strength tobe 1.0 mT at 2.0 cm from a wire? (u0=4n 10-7 T m/A)A. 9.2 AB. 16 AC. 50 mASt D. 100 A

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10. At what frequency will a 20.0-mH inductor have an inductive reactance of 100 ? A. 666.5 Hz B. 795.8 Hz C. 879.4 Hz D. None

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies

Section: Chapter Questions

Problem 97PE: Suppose you have a supply of inductors ranging from 1.00 nH to 10.0 H, and capacitors ranging from...

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Question

100%

10. At what frequency will a 20.0-mH inductor have an inductive reactance of 100 ?
A. 666.5 Hz
B. 795.8 Hz
C. 879.4 Hz
D. None
11. A current of 6.0 A in the 150-turn primary of an ideal transformer causes 12 A to flow in the
secondary. How many turns are in the secondary?
B. 14
A. 4
C. 75
D. 110
12. How much current must flow through a long straight wire for the magnetic field strength to
be 1.0 mT at 2.0 cm from a wire? (u0=4n 10-7 T m/A)
A. 9.2 A
B. 16 A
C. 50 mA
St D. 100 A

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