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A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary? A. 8 B. 1,653 C. 72 D. 690
A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, 72 turns are in the secondary. 345/115=3 3*24=72.
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Question|Asked by Mama99
Asked 10/15/2018 8:24:34 AM
Updated 7/3/2020 7:52:47 AM
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A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, 72 turns are in the secondary.

345/115=3 3*24=72.
Added 7/3/2020 7:52:47 AM
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Questions asked by Mama99
A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is A. 16 ohms. B. 0.333 ohms. C. 0.0625 ohms. D. 3 ohms
Question|Asked by Mama99
Updated 9/5/2020 1:40:48 PM
1 Answer/Comment
A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is 3 ohms.

Solution:
Total resistance = 12*4 / (12+4) = 48/16 = 3 ohms.
Added 9/5/2020 1:40:48 PM
This answer has been confirmed as correct and helpful.
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