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

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

Nairaland Forum › Nairaland General › Education › Solve This And Win A Recharge Card! (1587 Views)

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(op): 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(op): 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/R_b + 1/R_m
1/R = 1/5 + 1/2
1/R = (2+5)/10
R = 10/7 = 1.43 kΩ

V_o = {5/(25+1.43)} × 30
V_o = 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(op): 9:15pm On Oct 11, 2020

Kareayo:
1/R = 1/R_b + 1/R_m 1/R = 1/5 + 1/2 1/R = (2+5)/10 R = 10/7 = 1.43 kΩ

V_o = {5/(25+1.43)} × 30 V_o = 5.68 V
Phone no: 09062114822 - MTN

wrong

Re: Solve This And Win A Recharge Card! by NDSMELODY(op): 9:16pm On Oct 11, 2020

Unknownartiste:
you are wrong

kindly post ur solution here sir

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