4 cten il of dbe transfunner has tarns. Find power prinury ce a constarn speed o

Question

4 cten il of dbe transfunner has tarns. Find power prinury ce a constarn speed of t fame of resistance 10 okm is pushed with a force of 20 N into a homugenous magnetic fickd of 2 T with 20 mx What is sine of this frame if the current generaled in it is 5 mA? 5 An oprical yakem is made of converging and diverging lenses with focal distances 12.5 mm is the Tmal l images values (image sizes and image distances) with those on the ed 54 mm mage of a 7 mim abject placed at a distance of 23 3 mm from the converging lens? The distance between the lenses is 66 m. Piot the formed by two lenses in scale on the drawing below drawing Find total magnification of the opcical system systemcar the lens? The Object

Explanation / Answer

(3) primary voltage = Vp= 220 volts

secondary voltage= Vs=12 volts

secondary current= Is = 50 A

number of turns in secondary= Ns= 18

power in secondary = Ps = Is Vs = 50(12)=600 watts

power in primary= power insecondary

so power in primary= 600 watts

now Ns/Np = Es/Ep

18/Np = 12/220

Np= 330

so number of turns in primary= 330

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.