Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 6, Problem 68E
An electric welding machine uses a current of 400 A. The machine has a transformer whose primary coil has 400 turns and draws 4 A from a 240-V power line. How many turns does the secondary coil have? What is the voltage across the secondary coil?
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A 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?
a.
The number of turns in the secondary coil is 240 and the current in the sign is 2.5 A
b.
The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A
c.
The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A
d.
The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A
e.
The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 A
A 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 A
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?
Chapter 6 Solutions
Physical Universe
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