Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
9th Edition
ISBN: 9781305932302
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 33, Problem 10CQ
To determine
The voltage encountered on the input side of the transformer.
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Electric outlets in England are 230 V. Alice brings her electric kettle from England, where it draws 13 A, and wants to use it in the United States. She uses a step-up transformer to increase the 120 V outlet voltage to 230 V, then plugs her kettle into the secondary. What is the current in the primary in the few seconds before the 15 A circuit breaker trips?
Transformers:
Part A- The primary coil of a transformer contains 100 turns; the secondary has 200 turns. The primary coil is connected to a size-AA battery that supplies a constant voltage of 1.5 volts. What voltage would be measured across the secondary coil?
zero
0.75 VV
1.5 VV
3.0 V
Part B-
A transformer is intended to decrease the value of the alternating voltage from 500 volts to 25 volts. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil.
(Express answer in terms of N_2)
Part C- A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil.
(Express answer in terms of N_2.)
Part D- In a transformer, the primary coil contains 400 turns, and the secondary coil contains 80 turns. If the primary current is 2.5 amperes, what is the secondary current I_2?
(Express answer in terms…
A power plant produces a voltage of 6.0 kV and 150 A. The voltage is stepped up to 250 kV by a transformer before it is transmitted to a substation. What is the current in the transmission line from the plant to the substation?
Chapter 33 Solutions
Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
Ch. 33.2 - Consider the voltage phasor in Figure 32.4, shown...Ch. 33.3 - Consider the AC circuit in Figure 32.8. The...Ch. 33.4 - Consider the AC circuit in Figure 32.11. The...Ch. 33.4 - Consider the AC circuit in Figure 32.12. The...Ch. 33.5 - Label each part of Figure 32.16, (a), (b), and...Ch. 33.6 - Prob. 33.6QQCh. 33.7 - Prob. 33.7QQCh. 33 - Prob. 1OQCh. 33 - Prob. 2OQCh. 33 - Prob. 3OQ
Ch. 33 - Prob. 4OQCh. 33 - Prob. 5OQCh. 33 - Prob. 6OQCh. 33 - Prob. 7OQCh. 33 - A resistor, a capacitor, and an inductor are...Ch. 33 - Under what conditions is the impedance of a series...Ch. 33 - Prob. 10OQCh. 33 - Prob. 11OQCh. 33 - Prob. 12OQCh. 33 - Prob. 13OQCh. 33 - Prob. 1CQCh. 33 - Prob. 2CQCh. 33 - Prob. 3CQCh. 33 - Prob. 4CQCh. 33 - Prob. 5CQCh. 33 - Prob. 6CQCh. 33 - Prob. 7CQCh. 33 - Prob. 8CQCh. 33 - Prob. 9CQCh. 33 - Prob. 10CQCh. 33 - Prob. 1PCh. 33 - (a) What is the resistance of a lightbulb that...Ch. 33 - Prob. 3PCh. 33 - Prob. 4PCh. 33 - Prob. 5PCh. 33 - Prob. 6PCh. 33 - Prob. 7PCh. 33 - Prob. 8PCh. 33 - Prob. 9PCh. 33 - Prob. 10PCh. 33 - Prob. 11PCh. 33 - Prob. 12PCh. 33 - An AC source has an output rms voltage of 78.0 V...Ch. 33 - Prob. 14PCh. 33 - Prob. 15PCh. 33 - Prob. 16PCh. 33 - Prob. 17PCh. 33 - An AC source with an output rms voltage of 86.0 V...Ch. 33 - Prob. 19PCh. 33 - Prob. 20PCh. 33 - Prob. 21PCh. 33 - Prob. 22PCh. 33 - What is the maximum current in a 2.20-F capacitor...Ch. 33 - Prob. 24PCh. 33 - In addition to phasor diagrams showing voltages...Ch. 33 - Prob. 26PCh. 33 - Prob. 27PCh. 33 - Prob. 28PCh. 33 - Prob. 29PCh. 33 - Prob. 30PCh. 33 - Prob. 31PCh. 33 - A 60.0-ft resistor is connected in series with a...Ch. 33 - Prob. 33PCh. 33 - Prob. 34PCh. 33 - A series RLC circuit has a resistance of 45.0 and...Ch. 33 - Prob. 36PCh. 33 - Prob. 37PCh. 33 - An AC voltage of the form v = 90.0 sin 350t, where...Ch. 33 - Prob. 39PCh. 33 - Prob. 40PCh. 33 - Prob. 41PCh. 33 - A series RLC circuit has components with the...Ch. 33 - Prob. 43PCh. 33 - Prob. 44PCh. 33 - A 10.0- resistor, 10.0-mH inductor, and 100-F...Ch. 33 - Prob. 46PCh. 33 - Prob. 47PCh. 33 - Prob. 48PCh. 33 - The primary coil of a transformer has N1 = 350...Ch. 33 - A transmission line that has a resistance per unit...Ch. 33 - Prob. 51PCh. 33 - Prob. 52PCh. 33 - Prob. 53PCh. 33 - Consider the RC highpass filter circuit shown in...Ch. 33 - Prob. 55PCh. 33 - Prob. 56PCh. 33 - Prob. 57APCh. 33 - Prob. 58APCh. 33 - Prob. 59APCh. 33 - Prob. 60APCh. 33 - Prob. 61APCh. 33 - Prob. 62APCh. 33 - Prob. 63APCh. 33 - Prob. 64APCh. 33 - Prob. 65APCh. 33 - Prob. 66APCh. 33 - Prob. 67APCh. 33 - Prob. 68APCh. 33 - Prob. 69APCh. 33 - (a) Sketch a graph of the phase angle for an RLC...Ch. 33 - Prob. 71APCh. 33 - Prob. 72APCh. 33 - A series RLC circuit contains the following...Ch. 33 - Prob. 74APCh. 33 - Prob. 75APCh. 33 - A series RLC circuit in which R = l.00 , L = 1.00...Ch. 33 - Prob. 77CPCh. 33 - Prob. 78CPCh. 33 - Prob. 79CPCh. 33 - Figure P33.80a shows a parallel RLC circuit. The...Ch. 33 - Prob. 81CP
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