A transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor, as shown in the drawing. There are 13 turns in the primary coil and 18 turns in the secondary coil. The peak voltage in the resistor is 70 V. What is the peak emf of the generator?

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A: a) Find the number of turns in the primary coil. NP=VPVS×NS=12 V240 V×300 turns=15 turns b) Find the…

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A: secondary voltage

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A: GIVEN : Vold=335 kVVnew=750 kV (a) Ratio of no. of turns in secondary coil : Ns,newNs,old=VnewVold…

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A: Vs = 9 V Is = 252 mA = 0.252 A Vp = 120 V

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Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…

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A: It is an ideal transformer  Thus Pin = Pout

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A: We know that in a transformer:Transformation ratio r=VoutVin=NSNP ≡Voltage outVoltage in=Turns on…

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A: Therefore it is a step down transformer

Q: After a very long time, across which circuit element is the voltage equal to the emf of the battery?…

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A: We know, for transformer the folwing relation holds: VpVs = IsIp = NpNsVp = primary voltage = 150VVs…

Q: oil replaced with another coil that has loops 2 times the initial loops and the rate of change of…

A: Given:- A coil replaced with another coil that has loops 2 times the initial loops and the rate of…