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Physics 12 Online
OpenStudy (anonymous):

In this circuit, the greatest voltage drop will occur across which resistor? A. R1 B. R2 C. R3 D. Voltage will drop equally across each resistor.

OpenStudy (anonymous):

OpenStudy (michele_laino):

here the total resistance is: R=2+4+5=...

OpenStudy (anonymous):

11?

OpenStudy (michele_laino):

ok!

OpenStudy (michele_laino):

and the current is: I= 12/11 amperes so the voltage drop across R_1, is: V_1= (12/11)*2=...

OpenStudy (anonymous):

we get 2.18?

OpenStudy (michele_laino):

ok! the voltage drop across R_2 is: V_2=(12/11)*4=... the voltage drop across R_3, is: V_3=(12/11)*5=...

OpenStudy (anonymous):

4.36 and 5.45 ?

OpenStudy (michele_laino):

so, which is the highest one?

OpenStudy (anonymous):

V3? so does that mean R3 is our solution?

OpenStudy (michele_laino):

yes!

OpenStudy (anonymous):

yay! thanks!!:)

OpenStudy (michele_laino):

:)

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