Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 14, Problem 7ST
To determine
The power delivered to the secondary load of an ideal transformer with given turns ratio and power at the primary winding.
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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 full load copper loss and iron loss of a transformer are 6400 W and 5000 W respectively the copper loss and iron loss at half load will be respectively. 3200 W and 2500 W 3200 W and 5200 W 1600 W and 1250 W 1600 W and 5000 Warrow_forwardIn transformer, the power will with decrease in current. decreases O be doubled remain same O increasesarrow_forwardWhat are the different losses across the transformer? Which losses are variable? What turns ratio isrequired on the secondary of a transformer if the primary has 400 turns? The applied voltage is 220VAC and the secondary voltage is 11 V.arrow_forward
- The full-load copper loss of a transformer is 1600 W. At half-load, the copper loss will be O a. 1600 W b. 6400 W O c. 400 W d. 800 W 4 11arrow_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_forwardThe open circuit voltage of a transformer is 248 V and its % regulation is 2.5 %, then the value of full load secondary voltage isarrow_forward
- The ordinary efficiency of a given transformer is maximum when it runs at full load it runs at half-full load its Cu loss equal to iron loss it runs slightly overload.arrow_forwardWhen the turns ratio of a transformer is 10 and the primary ac voltage is 6 V. the secondary voltage isarrow_forwardName the test that you could perform on the transformer to calculate the copper winding loss Elaborate on this test to explain how you could find the copper lossarrow_forward
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