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Unformatted text preview: Create assignment, 57112, Homework 16, Sep 01 at 1:55 pm 1 This print-out should have 13 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Covers 31.1-31.6 Changing the Frequency 33:04, trigonometry, numeric, > 1 min, nor- mal. 001 When a particular inductor is connected to a sinusoidal voltage with a 120 V amplitude, a peak current of 3 A appears in the inductor. What is the maximum current if the fre- quency of the applied voltage is doubled? An- swer in units of A. 002 What is the inductive reactance at the new frequency? Answer in units of Ω . Inductive Circuit 33:04, trigonometry, numeric, > 1 min, nor- mal. 003 In the purely inductive circuit in the figure below, the inductance is 25 mH and the rms voltage is 150 V. E = E max sin ω t E rms = 150 V S 25 mH Find the inductive reactance if the fre- quency is 60 Hz. Answer in units of Ω ....
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This note was uploaded on 11/12/2009 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.
- Spring '08