Question

In an ideal 1:8 step-up transformer, the primary power is 10 kW and the secondary current is 25 A. The primary voltage is A : 6.25 V. B : 25,600 V. C : 3200 V. D : 400 V. E : 50 V.

Name: in an ideal 18 step up transformer the primary power is 10 kw and the secondary current is 25 a the primary voltage is a 625 v b 25600 v c 3200 v d 400 v e 50 v 09521
Uploaded: 2022-05-10T12:25:39-08:00
Duration: 2 min 30 s
Channel: Maitreya E
Description: in an ideal 18 step up transformer the primary power is 10 kw and the secondary current is 25 a the primary voltage is a 625 v b 25600 v c 3200 v d 400 v e 50 v 09521

          In an ideal 1:8 step-up transformer, the primary power is 10 kW
and the secondary current is 25 A. The primary voltage is 
A : 
6.25 V.     
B : 
25,600 V.     
C : 
3200 V.      
D : 
400 V.     
E : 
50 V.

Added by Danny I.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Maitreya E

05/10/2022

Step 1

We also know that in an ideal transformer, the power in the primary coil (P1) equals the power in the secondary coil (P2), or P1 = P2. Given that the primary power P1 is 10 kW, we can find the primary current I1 by rearranging the power equation to I1 = P1/V1. Show more…

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In an ideal 1:8 step-up transformer, the primary power is 10 kW and the secondary current is 25 A. The primary voltage is A : 6.25 V. B : 25,600 V. C : 3200 V. D : 400 V. E : 50 V.