Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 14, Problem 2ST
Which one of the following is affected by the turns ratio of a transformer.
- primary voltage
- dc voltage
- secondary voltage
- none of these
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following are power losses that can
occur in a practical transformer (non-ideal)?
copper loss
O loss due to eddy currents
V hysteresis loss
O voltage drop due to coil material
The main difference between transformer
and dc motor is
The transformer has a core
The transformer has two windings
The transformer is a static device
The transformer has a magnetic circuit
2. When the turns ratio of a transformer is 20 and the primary ac voltage is 12
V, the secondary voltage is
1.
d States)
D, Focus
Chapter 14 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 14 - An ideal transformer delivers the same power to...Ch. 14 - Dots on the schematic symbol of a transformer show...Ch. 14 - A step-down transformer has more turns in the...Ch. 14 - The primary current in a transformer is always...Ch. 14 - Prob. 5TFQCh. 14 - Impedance-matching transformers allow maximum...Ch. 14 - Prob. 7TFQCh. 14 - A balun is a form of impedance-matching...Ch. 14 - Power transformers are typically rated in VA...Ch. 14 - Transformer efficiency is the ratio of output...
Ch. 14 - A transformer is used for dc voltages ac voltages...Ch. 14 - Which one of the following is affected by the...Ch. 14 - Prob. 3STCh. 14 - Prob. 4STCh. 14 - Prob. 5STCh. 14 - Prob. 6STCh. 14 - Prob. 7STCh. 14 - Prob. 8STCh. 14 - Prob. 9STCh. 14 - Prob. 10STCh. 14 - Prob. 11STCh. 14 - Prob. 12STCh. 14 - Prob. 13STCh. 14 - Prob. 14STCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - What is the turns ratio of a transformer having...Ch. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - If 120 V ac are connected to the primary of a...Ch. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - For each transformer in Figure 14-46, draw the...Ch. 14 - Prob. 10PCh. 14 - Prob. 11PCh. 14 - How many primary volts must be applied to a...Ch. 14 - Prob. 13PCh. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - If RL is doubled in the circuit of Figure...Ch. 14 - Prob. 17PCh. 14 - Determine the following quantities in Figure...Ch. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Prob. 22PCh. 14 - For the circuit 14-54, find the turns ratio...Ch. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - Prob. 32PCh. 14 - Prob. 33PCh. 14 - Prob. 34PCh. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - Prob. 37PCh. 14 - Prob. 38PCh. 14 - For the loaded, tapped-secondary transformer in...Ch. 14 - Prob. 40PCh. 14 - Determine the voltage measured by each voltmeter...Ch. 14 - Prob. 42PCh. 14 - Prob. 43PCh. 14 - Prob. 44PCh. 14 - Prob. 45PCh. 14 - Prob. 46PCh. 14 - Prob. 47PCh. 14 - Prob. 49P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- How do i calculate secondary current in transformer analysisarrow_forwardWhich of the following statements is true about an ideal transformer? O It changes the magnitude of DC signals. O It converts DC signals into AC signals. O It converts AC signals into DC signals. O It changes the magnitude of AC signals. hparrow_forwardQuestion:4 A Step-down transformer is given and calculate 5:1 120 V 60 Hz V2 i k2 i. Peak load and D.C. load voltage ii. D.C. Currentarrow_forward
- High permeability O Low reactance O Low permeability The purpose of the no-load test in the transformer is to determine O Input voltage Core loss O Copper loss O Turn ratioarrow_forwardThe core losses in the transformer are also called O Variable losses O Winding losses O Constant losses O Copper losses a transformerarrow_forwardIn this Center tapped transformer Find the peak voltage of V1 and V2, RMS voltage of V1 and V2, and Peak to peak voltage of V1 and V2arrow_forward
- DC 200 V is applied to the primary of a transformer with a conversion ratio of 1/5. From secondaryExplain the reason for this by writing the voltage value to be made?arrow_forward1. An ideal transformer with a 450 turn primary connected to a 600 V, 60 Hz supply line needs to output 240 V from the secondary. A 100 load is connected across the secondary. How many turns the secondary must have to output the desired voltage? What is the current through the load? What is the current drawn through the primary?arrow_forwardWhen there is no load connected on the secondary side, of a transformer the current in the secondary side is Select one: O a. Maximum O b. Zero Oc. Minimum O d. Onearrow_forward
- If I build a transformer and I have the following data:Primary voltage = 127VNumber of turns in primary = 100 turnsI want to have 8.89 V in secondaryHow many turns should I have on the secondary of this transformer?arrow_forwardIn a step-up transformer, the turn ratio is 1: 20. The resistance of 100 connected across the secondary is drawing a current of 2 A. What are the primary voltage and current respectively?arrow_forwardAn ideal transformer having 50 turns on the primary and 1250 turns on the secondary is connected to a 100 V, 60 Hz source. The load across the secondary an RL-load with R = 250Ω and L = 0.5 H. i. What is the peak value of the flux in the core of the transformer? ii. What is the secondary voltage? iii. What is the primary currentarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage LearningDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Power System Analysis and Design (MindTap Course ...
Electrical Engineering
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:Cengage Learning
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
TRANSFORMERS - What They Are, How They Work, How Electricians Size Them; Author: Electrician U;https://www.youtube.com/watch?v=tXPy4OE7ApE;License: Standard Youtube License