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Correct Solution Gets 1000 Naira Airtime by pimpchi(m): 7:32pm On May 12, 2020
Show all working, very important.

Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 8:32pm On May 12, 2020
pimpchi:
Show all working, very important.
We are to answer only the calculation right ?
Re: Correct Solution Gets 1000 Naira Airtime by pimpchi(m): 8:45pm On May 12, 2020
Loris576:

We are to answer only the calculation right ?

If you can answer all the way cool, if not you win 500 naira airtime
Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 9:04pm On May 12, 2020
pimpchi:


If you can answer all the way cool, if not you win 500 naira airtime

Here it is

For 1. Kirchoff voltage law was used
2. Step up
3. No .. step up is designed to increase the supply voltage while step down is to decrease it.. so dey cannot be used interchangeably

Re: Correct Solution Gets 1000 Naira Airtime by pimpchi(m): 9:13pm On May 12, 2020
Loris576:


Here it is

For 1. Kirchoff voltage law was used
2. Step up
3. No .. step up is designed to increase the supply voltage while step down is to decrease it.. so dey cannot be used interchangeably


This is not very clear, show the formula applied and let your working be clear enough
Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 10:20pm On May 12, 2020
pimpchi:



This is not very clear, show the formula applied and let your working be clear enough
Ok
Re: Correct Solution Gets 1000 Naira Airtime by dejt4u(m): 12:01am On May 13, 2020
pimpchi:
Show all working, very important.
pimpchi:



Best view

Primary voltage (Vp) = 110 V
Numbers of primary turns (Np)= 1400 turns
Numbers of secondary turns (Ns) = 3610 turns
Secondary voltage (Vs) = ?
But Vp/Vs = Np/Ns
Vs = (Vp × Ns)/Np
Vs = (110 × 3610)/1400
Vs = 283.6 V

We can use the Vs gotten above to calculate Secondary Current (Iload) using the resistance (load) given..
Load = 3.9 × 10³ ohms
That is; Vs = Iload × load
Iload = Vs/load
Iload = 283.6 ÷ 3.9 × 10³
Iload = 0.073 A


To calculate primary current (Isource); we use the expression below
Vp/Vs = Iload/Isource
Isource = (Iload × Vs)/Vp
Isource = (0.073A × 283.6V)/110V
Isource = 0.188 A



Isource = 0.188 Amperes and
Iload = 0.073 Amperes
Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 7:59am On May 13, 2020
pimpchi:



This is not very clear, show the formula applied and let your working be clear enough
Pls check the solution above again ..
I posted a new image
Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 9:46pm On May 13, 2020
pimpchi:
Show all working, very important.
Pls check my solution dear
Re: Correct Solution Gets 1000 Naira Airtime by Loris576(m): 12:54pm On May 14, 2020
pimpchi:
Show all working, very important.
@pimpchi howfar
Have u forgotten us ?
Re: Correct Solution Gets 1000 Naira Airtime by pimpchi(m): 1:34pm On May 29, 2020
It is well

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