Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 14, Problem 9P
For each transformer in Figure 14-46, draw the secondary voltage showing its to the primary voltage. Also indicate the amplitude.
FIGURE 14-46
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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
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- The hysteresis loop of the core material of a transformer should have (a) a large area (b) a small area (c) an infinite area (d) none of the abovearrow_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_forwardWith the aid of simple sketches explain briefly the meaning of transformer polarity and terminal markingarrow_forward
- In transformer, the power will with increase in current. O be doubled decreases O increases O remain samearrow_forwardIn transformer, open circuit test is used to determinearrow_forwardIf the turn ratio of the transformer is 4:1, it means Secondary voltage is 4 times greater than the primary voltage For every 4 turns on primary, there is one turn on secondary Primary current is 4 times greater than the secondary current There are 4 turns on primary one turn on secondaryarrow_forward
- To prevent the harmful voltage induction by the series winding, the transformer primary must before opening or unloading None never be open be short be Openarrow_forwardThe 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 circuitarrow_forwardWhich 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 materialarrow_forward
- The core losses in the transformer are also called O Variable losses O Winding losses O Constant losses O Copper losses a transformerarrow_forwardIn a step-down transformer ratio, which is larger the number of ratio O the number of turns O Secondary Voltage O Primary Voltagearrow_forwardQuestion 9 If the turn ratio of a step-up transformer is 1:15 and the full-load secondary current is 300 A, the primary current would be: O A. 20 A O B. 450 A O C.4.5 kA O D. 45 kA O E. None of the other choices are correctarrow_forward
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