A 25 resistor, a 55 resistor, and a 75 resistor are connected in parallel and placed across a 9.0battery.

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asked May 14, 2018 149k views

1 Answer

Marchica · Answer 1 · 2018-05-18T18:15:30+0000

a) Equivalent Resistance= (1/25+1/55+1/75)^-1=14.0ohms(3s.f.)
b) Current=9.0V/14.0=0.644A(3s.f.)
c) Current through 25-resistor=9/25=0.360A
Current through 55-resistor=9/55=0.164A
Current through 75-resistor=9/75=0.120A
All answers are rounded off to 3 significant figures

A 25 resistor, a 55 resistor, and a 75 resistor are connected in parallel and placed across a 9.0battery.

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