PHYSICS FOR SCIEN & ENGNR W/MOD MAST
4th Edition
ISBN: 9780134112039
Author: GIANCOLI
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 29, Problem 62GP
(a)
To determine
The current through the primary windings of the transformer.
(b)
To determine
The ratio of the number of the primary windings to the secondary windings of the transformer.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current through the primary and a secondary wire that contains 1/3 as many turns as the primary wire. What is the current in the secondary wire if the transformer is 80% efficient?
A transformer is used to charge a cell phone. The number of turns on the primary coil is 600. The
voltage input is 120 V and the output needs to be 9.0 V. The output current is 40 milliamperes.
What is the number of turns on the secondary coil and the current in the primary. Assume the
transformer is 100% efficient.
The number of turns on the secondary coil is 45 and the current in the primary
is 533 milliamperes
The number of turns on the secondary coil is 8000 and the current in the primary
is 533 milliamperes
The number of turns on the secondary coil is 45 and the current in the primary is
3.0 milliamperes.
The number of turns on the secondary coil is 8000 and the current in the primary
is 3.0 milliamperes
A certain transformer has exactly 119 turns on its primary side and exactly 199 turns on its secondary side. If an AC voltage of 22.5 V is applied to the primary side and draws 6.60 A of current, what current will flow on the secondary side?
Chapter 29 Solutions
PHYSICS FOR SCIEN & ENGNR W/MOD MAST
Ch. 29.1 - Return to the Chapter-Opening Question, page 758,...Ch. 29.2 - Prob. 1BECh. 29.3 - In what direction will the electrons now in Fig....Ch. 29.5 - A bicycle headlight is powered by a generator that...Ch. 29.7 - Prob. 1EECh. 29 - Prob. 1QCh. 29 - What is the difference between magnetic flux and...Ch. 29 - Suppose you are holding a circular ring of wire...Ch. 29 - Prob. 4QCh. 29 - Is there a force between the two loops discussed...
Ch. 29 - Suppose you are looking along a line through the...Ch. 29 - The battery mentioned in Question 6 is...Ch. 29 - Prob. 8QCh. 29 - Prob. 9QCh. 29 - In situations where a small signal must travel...Ch. 29 - What is the advantage of placing the two insulated...Ch. 29 - Prob. 12QCh. 29 - A region where no magnetic field is desired is...Ch. 29 - A cell phone charger contains a transformer. Why...Ch. 29 - An enclosed transformer has four wire leads coming...Ch. 29 - The use of higher-voltage lines in homessay, 600 V...Ch. 29 - Prob. 17QCh. 29 - Prob. 18QCh. 29 - Prob. 19QCh. 29 - Will an eddy current brake (Fig. 2921) work on a...Ch. 29 - It has been proposed that eddy currents be used to...Ch. 29 - The pivoted metal bar with slots in Fig. 2935...Ch. 29 - If an aluminum sheet is held between the poles of...Ch. 29 - A bar magnet falling inside a vertical metal tube...Ch. 29 - A metal bar, pivoted at one end, oscillates freely...Ch. 29 - Since a magnetic microphone is basically like a...Ch. 29 - Prob. 1PCh. 29 - (I) The north pole of the magnet in Fig. 2936 is...Ch. 29 - Prob. 3PCh. 29 - (I) A 22.0-cm-diameter loop of wire is initially...Ch. 29 - Prob. 5PCh. 29 - (II) A 10.8-cm-diameter wire coil is initially...Ch. 29 - (II) A 16-cm-diameter circular loop of wire is...Ch. 29 - (II) (a) If the resistance of the resistor in Fig....Ch. 29 - Prob. 9PCh. 29 - (II) The magnetic field perpendicular to a...Ch. 29 - (II) A circular loop in the plane of the paper...Ch. 29 - (II) Part of a single rectangular loop of wire...Ch. 29 - (II) While demonstrating Faradays law to her...Ch. 29 - Prob. 14PCh. 29 - (II) A 22.0-cm-diameter coil consists of 28 turns...Ch. 29 - (II) A power line carrying a sinusoidally varying...Ch. 29 - (II) The magnetic field perpendicular to a single...Ch. 29 - Prob. 18PCh. 29 - (II) A 25-cm-diameter circular loop of wire has a...Ch. 29 - (II) The area of an elastic circular loop...Ch. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - Prob. 23PCh. 29 - (II) Inductive battery chargers, which allow...Ch. 29 - Prob. 25PCh. 29 - Prob. 26PCh. 29 - (I) The moving rod in Fig. 2912b is 13.2 cm long...Ch. 29 - (I) The moving rod in Fig. 2912b is 12.0 cm long...Ch. 29 - Prob. 29PCh. 29 - (II) If the U-shaped conductor in Fig. 2912a has...Ch. 29 - (II) Suppose that the U-shaped conductor and...Ch. 29 - (II) When a car drives through the Earths magnetic...Ch. 29 - Prob. 33PCh. 29 - Prob. 34PCh. 29 - (III) A short section of wire, of length a, is...Ch. 29 - (I) The generator of a car idling at 875-rpm...Ch. 29 - Prob. 37PCh. 29 - (II) A simple generator has a 480-loop square coil...Ch. 29 - (II) Show that the rms output of an ac generator...Ch. 29 - (II) A 250-loop circular armature coil with a...Ch. 29 - Prob. 41PCh. 29 - (I) A motor has an armature resistance of 3.05 ....Ch. 29 - (II) What will be the current in the motor of...Ch. 29 - (II) The back emf in a motor is 85 V when the...Ch. 29 - Prob. 45PCh. 29 - (I) A transformer has 620 turns in the primary...Ch. 29 - (I) Neon signs require 12 kV for their operation....Ch. 29 - (II) A model-train transformer plugs into 120-V ac...Ch. 29 - (II) The output voltage of a 75-W transformer is...Ch. 29 - (II) If 65 MW of power at 45 kV (rms) arrives at a...Ch. 29 - Prob. 51PCh. 29 - (III) Design a dc transmission line that can...Ch. 29 - (III) Suppose 85 kW is to be transmitted over two...Ch. 29 - Prob. 54PCh. 29 - (II) The betatron, a device used to accelerate...Ch. 29 - (III) Show that the electrons in a betatron,...Ch. 29 - (III) Find a formula for the net electric field in...Ch. 29 - Prob. 58GPCh. 29 - A square loop 27.0 cm on a side has a resistance...Ch. 29 - Power is generated at 24 kV at a generating plant...Ch. 29 - Prob. 61GPCh. 29 - Prob. 62GPCh. 29 - A pair of power transmission lines each have a...Ch. 29 - Show that the power loss in transmission lines,...Ch. 29 - A high-intensity desk lamp is rated at 35 W but...Ch. 29 - Prob. 66GPCh. 29 - A coil with 150 turns, a radius of 5.0 cm, and a...Ch. 29 - A search coil for measuring B (also called a flip...Ch. 29 - A ring with a radius of 3.0 cm and a resistance of...Ch. 29 - A flashlight can be made that is powered by the...Ch. 29 - A small electric car overcomes a 250-N friction...Ch. 29 - What is the energy dissipated as a function of...Ch. 29 - A thin metal rod of length rotates with angular...Ch. 29 - The magnetic field of a shunt-wound dc motor is...Ch. 29 - Prob. 75GPCh. 29 - A circular metal disk of radius R rotates with...Ch. 29 - What is the magnitude and direction of the...Ch. 29 - Prob. 78GPCh. 29 - Prob. 79GPCh. 29 - Prob. 80GP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A certain transformer has exactly 191 turns on its primary side and exactly 126 turns on its secondary side. If an AC voltage of 11.8 V is applied to the primary side, what voltage will appear on the secondary side?arrow_forwardA 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?arrow_forwardA device requires a secondary output voltage of 1400 V at a resistance of 200 Ω. The transformer is supplied by a 250 V outlet. What is the power of the transformer of this device?arrow_forward
- A step-up transformer is designed so that the output of its secondary winding is 240 V when the primary winding is connected to a 120-V line voltage. (a) If there are 100 turns in the primary winding, how many turns are there in the secondary winding? (b) If the coffee grinder in an espresso machine connected across the secondary winding has a power rating of 240W, what is the current in the primary winding?arrow_forwardA transformer has 900 turns on its secondary and 100 turns on its primary. The primary is connected to a 14-V source. (a) What is the voltage output of the secondary? V (b) If 1 A flows in the primary coil, how much current is there in the secondary coil? Aarrow_forwardA transformer for a household appliance changes the voltage from a 120-Volt outlet to the 20.5 Volts required by the appliance. Determine the ratio of primary to secondary coils.arrow_forward
- A transformer has 558 turns on its primary and 101 turns on its secondary.(b) If a voltage of 125 V is applied to the primary and a current of 0.35 A flows in these windings, what are the voltage output of the secondary and the current in the secondary? (a)voltage (b)currentarrow_forwardA transformer is used to provide voltage to a neon sign. The input voltage is 120 V and the output voltage is 600 V. The number of turns on the primary coil of the transformer is 300. The current supplied to the transformer is 2.5 A. What is the number of turns on the secondary coil and the current used in the neon sign? The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 A The number of turns in the secondary coil is 240 and the current in the sign is 2.5 Aarrow_forwardA transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected to a 13-V source. (a) What is the voltage output of the secondary? V(b) If 3 A flows in the primary coil, how much current is there in the secondary coil? Aarrow_forward
- A transformer has an input of 110 AC volts, with 100 turns on the primary and 10 turns on the secondary. What is the output voltage? Select one: O. 1100 Volts 110 Volts O11 Volts O O Voltsarrow_forwardThe charger for a cell phone contains a transformer that reduce 120 V ac to 5.0 V ac to charge the 3.7 V battery. Suppose the secondary coil contains 30 turns and the charger supplies 700mA. Calculate the current in the primary coil.arrow_forwardA transformer has 500 turns in its primary and 300 turns in its secondary. 1200 V ac is connected to the primary. What is the output voltage?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill