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Solve This And Win A Recharge Card! - Education (2) - Nairaland

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Re: Solve This And Win A Recharge Card! by SPLENDID25(m): 12:31pm On Oct 11, 2020
NDSMELODY:
bro! The internal resistor of the meter is in parallel with the 5ohm resistor,so u calculate the total resistor first and then use voltage divider rule to measure output voltage across 5ohm resistor since the meter was placed across it.....note you can labell 20ohm resistor as R1 and R total as R2....i stop here!
okay now I understand the question.
Re: Solve This And Win A Recharge Card! by NDSMELODY(m): 4:49pm On Oct 11, 2020
kolad59:
I am late sha, any other cct question...you can tag me
u can try this

Re: Solve This And Win A Recharge Card! by NDSMELODY(m): 4:56pm On Oct 11, 2020
Another one for you guys.........remember first person to comment will be awarded.

..Note; show ur workings clearly with phone number (MTN).

Re: Solve This And Win A Recharge Card! by Kareayo(f): 7:55pm On Oct 11, 2020
NDSMELODY:
Another one for you guys.........remember first person to comment will be awarded.

..Note; show ur workings clearly with phone number (MTN).

1/R = 1/Rb + 1/Rm
1/R = 1/5 + 1/2
1/R = (2+5)/10
R = 10/7 = 1.43 kΩ


Vo = {5/(25+1.43)} × 30
Vo = 5.68 V

Phone no: 09062114822 - MTN
Re: Solve This And Win A Recharge Card! by Unknownartiste(m): 8:07pm On Oct 11, 2020
NDSMELODY:
Here is my solution
you are wrong
Re: Solve This And Win A Recharge Card! by NDSMELODY(m): 9:15pm On Oct 11, 2020
Kareayo:

1/R = 1/Rb + 1/Rm 1/R = 1/5 + 1/2 1/R = (2+5)/10 R = 10/7 = 1.43 kΩ

Vo = {5/(25+1.43)} × 30 Vo = 5.68 V
Phone no: 09062114822 - MTN
wrong
Re: Solve This And Win A Recharge Card! by NDSMELODY(m): 9:16pm On Oct 11, 2020
Unknownartiste:
you are wrong
kindly post ur solution here sir

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