College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 23, Problem 49PE
A multipurpose transformer has a secondary coil with several points at which a 1inziltage can be extracted, giving outputs of 5.60, 12.0, and 480 V. (a) The input voltage is 240 V to a primary coil of 280 turns. What are the numbers of turns in the parts of the secondary used to produce the output voltages? (b) If the maximum input current is 5.00 A, what are the maximum output currents (each used alone)?
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A multipurpose transformer has a secondary coil with several points at which a voltage can be extracted, giving outputs of 5.60, 12.0, and 480 V.
(a) The input voltage is 160 V to a primary coil of 200 turns. What are the numbers of turns in the parts of the secondary used to produce the output voltages?
5.60 V
turns
12.0 V
turns
480 V
turns
(b) If the maximum input current is 5.50 A, what are the maximum output currents (in A) (each used alone)?
5.60 V
12.0 V
480 V
AAA
A primary coil of a transformer is connected to a 120V source and draws a 12 A. The secondary coil has 800 turns and a current of 4.0 A. What is the voltage in the secondary coil?
The primary coil of a transformer has N1 = 250 turns, and its secondary coil has N2 = 1500 turns. If the input voltage across the primary coil is 170, what voltage is developed across the secondary coil?
Chapter 23 Solutions
College Physics
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Integrated Concepts The Tethered Satellite...Ch. 23 - Make a drawing similar to Figure 23.14, but with...Ch. 23 - Figure 23.59 A coil is moved into and out of a...Ch. 23 - Calculate the peak voltage of a generator that...Ch. 23 - At what angular velocity in rpm will the peak...Ch. 23 - What is the peak emf generated by rotating a...Ch. 23 - What is the peak emf generated by a 0.250 m...Ch. 23 - (a) A bicycle generator rotates at 1875 rad/s,...Ch. 23 - Integrated Concepts This problem refers to the...Ch. 23 - (a) A car generator turns at 400 rpm when 1he...Ch. 23 - Show that if a coil rotates at an angular velocity...Ch. 23 - A 75-turn, 10.0 cm diameter coil rotates at an...Ch. 23 - (a) If the emf of a coil rotating in a magnetic...Ch. 23 - Unreasonable Results A 500-turn coil with a 0.250...Ch. 23 - Suppose a motor connected to a 120 V source draws...Ch. 23 - A motor operating on 240 V electricity has a 180 V...Ch. 23 - What is the back emf of a 120 V motor that draws...Ch. 23 - The motor in a toy car operates on 6.00 V....Ch. 23 - 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