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# I2/i1=n1/n2

### The induced current in transformer Physics Forum

• Hello, I know that in ideal transformer the law I2/I1 = N1 /N2 I know that I2 is the induced current in the secondary coil, so I1 is the induced current in the primary coil or the current generated from the generator?? where N1 is the number of turns in the primary coil. and N2 is the number of turns in the secondary coil. Attachments. images.jpg. 6.8 KB Views: 322. Answers and Replies Related.
• I2 = I1(N1/N2) = (30) (4200/300) = 420 A. So the 2nd solenoid generates: B2 = (4πx10^7)(300)(420) / (2) = 7.92 x 10^12 T. However the induced current in the outer solenoid would be flowing in the opposite direction from the inner solenoid, so B2 would be in the opposite direction as well. So B(net) = 7.92 x 10^12 - 2.26x10^12 = 5.66x10^12
• Turns ratio (primary to secondary) N1/N2 = 500 / 100 = 5 Primary voltage V1 = 120 V We know V1/V2 = N1/N2 where V1 = primary voltage, V2 = secondary voltage V1/V2 = 5/1 V2 = V1 / 5 = 120 / 5 = 24 V Thus secondary voltage V2 = 24 V Output power P2 = 1000 W = V2 * I2 where I2 = current in secondary Thus I2 = 1000 / V2 = 1000 / 24 = 125 / 3 Ampere = 41.667 A We know that I2 / I1 = N1 / N2 where.
• (N1/N2) = (I2/I1) => I2 = I1*(N1/N2) = 12*(1/6) = 2A. Or: In a 1:6 step up transformer the output voltage value at the secondary is six times greater than the input voltage value at the primary. So, if you neglect the energy lost due to the hysteresis lost and eddy current, the input and output power are equal to each other. Then; S1 = S2 V1*I1 = V2*I2 I2 = I1*(V1/V2) I2 = 12*(1/6) = 2A. 0 0.
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### Can someone help with this solenoid problem? Yahoo Answer

1. ing if the correct turns ratio exists.Shorted turns may result from short circuits or dielectric failures. Measurements are taken by applying a known low voltage across one winding and measuring the induced-voltage on the corresponding winding
2. 1 •Transformers and Impedance Matching •Transmission Lines •Fourier Waveforms •Transformers- VAC Primary V2/2 center tap V1 N1 Secondary V2 N2 V1/V2 = N1/N2 voltage ratio = winding ratio I1 V1 = I2 V2 conservation of energy I1/I2 = V2/V1 = N2/N
3. I know that the output voltage and current of an ideal transformer depends on the number of wounding of the coils. It means that no matter how many resistors I put in a series in my secondary loop, the current would not change and it depends only on N (Number of turns in coil)

View cheatsheet.pdf from PHYS 1003 at The Hong Kong University of Science and Technology. Formula :D = sin (2n) volt = /sqrt2 = 0.707 P = VI = I2R = V2/R R = ρL/A V2 = V1 (N2/N1) I2 = I1 (N1/N2 Introduction to Transformers. A transformer is one of the most common devices found in electrical system that links the circuits which are operating at different voltages .These are commonly used in applications where there is a need of AC voltage conversion from one voltage level to another What does I2/I1 = N1/N2 = V1/V2 tell you? In this case V2/V1 = 2 drwls. Feb 14, 2008 . Respond to this Question. First Name. Your Response. Similar Questions. Physics. Which of the following is correct for a step-down transformer? Number of turns in the primary coil is less than the number of turns in the secondary coil. Step-down transformer increases the voltage from low value to high value. (E1/E2) = (I2/I1) = (N1/N2) =a. V1 = E1 + (R1 + jX1) . I1. and, V2 = E2 - (R2 + jX2) . I2. Finite Permeability. Another assumption of ideal transformer was that of infinite permeability. In real conditions, it can't be possible. Therefore, even when the secondary is left open (no-load condition) the primary winding always draws some current.

View Notes - HW10_Solutions from PHYSICS 222 at Iowa State University. HOMEWORK 10: SOLUTIONS Q31.17: ANSWER: V2=V1*N2/N1, so if N2 is doubled, V2 increases two-fold. I2 = I1*N1/N2, so it decrease Die Spannung U1 läst den Strom I1 fliessen. Und U2 läst den Strom I2 fliessen. Das Verhältnis von U1 zu U2 (das ist das U1/U2) ist gleich wie das Verhältnei der Stöm The applicable relationship is N1/N2 = V1/V2, meaning the ratio of primary voltage to secondary voltage is equal to the ratio of primary turns to secondary turns. Here N1 = 1000, V1 = 250, V2 = 400V and N2 = TBD. Rewriting the above relationship,. that's depend on type of transformer ( which transmission lines connected to it ) if it was set-up or set-down transformer and calculations of the losses & costs. This is the electrical engineering questions and answers with discussion section on Transformers with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand - Discussion page for Q.451

This is the electrical engineering questions and answers with discussion section on Transformers with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand - Discussion page for Q.438 Ausbildung. Ich habe mein Abitur mit 1,5 bestanden mit Mathe als meinem stärksten Fach (15 Punkte). Während dieser Zeit habe ich eine Seminararbeit zum Thema..

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