Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 42TAS
An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12-V ac is connected to the primary.
(a) Show that 60 V ac is available at the secondary
(b) Show that 6 A of current is in a 10-Ω device connected to the secondary.
(c) Show that the power supplied to the primary is 360 W.
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An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12-V ac is connected to the primary. Show that (a) 60 V ac is available at the secondary; (b) 6 A of current is in a 10-Ω device connected to the secondary; and (c) the power supplied to the primary is 360 W.
Consider a transformer with a turn ratio of 2:5 that is connected to a 50-V AC source at its primary input. What is the average power delivered to a 100 kilo-ohm resistor connected to the secondary terminal of the of the transformer?
A transformer steps the line voltage down from 110 to 9.0 V so that a current of 0.50 A can be delivered to a doorbell. (a) What is the ratio of the number of turns in the primary and secondary windings? (b) What is the current in the primary winding? (c) What is the resistance seen by the 110-V source?
Chapter 9 Solutions
Conceptual Physical Science (6th Edition)
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