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 28P
To determine
The value of efficiency of the transformer
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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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- Refer to the transformer shown in Figure 28-14 and find all the missing values. PrimaryEPIPEL4160VILRatio SecondaryEPIPEL440VILZ=3.5 LoadEPIPELILarrow_forwardAll values of a transformer are proportional to its __________________ ___________________.arrow_forwardFor an ideal transformer, the efficiency is (a) 0 (b) 100 (c) 50arrow_forward
- A single-phase step-down transformer is rated 13MVA,66kV/11.5kV. With the 11.5 kV winding short-circuited, rated current flows when the voltage applied to the primary is 5.5 kV. The power input is read as 100 kW. Determine Req1andXeq1 in ohms referred to the high-voltage winding.arrow_forwardIn a single phase transformer, there are 250 turns in the primary winding. When 220 V is applied to the primary winding of this transformer, 12V is induced in the secondary winding. Calculate the conversion ratio of the transformer, the number of turns of the secondary winding and the voltage induced per winding.arrow_forwardshow complete solutions please, thank u A single -Phase transformer is rated 4,160 V Primary and 250 V secondary. It has 1,500 turns in the primary and a voltage regulation of 8 %. What should be the number of turns in the secondary winding? a.200 turns b.100 turns c.80 turns d.90 turnsarrow_forward
- A transformer has a primary rating voltage of 240v and a secondary voltage rating of 80v if the windings were connected subtractive what voltage would appear cross the entire connectionarrow_forwardLook at the following figure and answer the following questions based on the fact the transformer is 240/480V to 120/240V 4kVA single phase.arrow_forwardThe secondary windings of 4,300/230 V transformer has 40 turns. How many turns does the primary windings have?arrow_forward
- What is an E&I transformer used for in servos? 1. error detector 2. adder 3. loadarrow_forwardWhat is the purpose of lighting arrester in the transformerarrow_forwardWhat kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?arrow_forward
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