A charge

A charge of 9 C passes through series-connected resistors with resistances of 40 ohms and 60 ohms in 1 minute. a) What voltage are they connected to? b) Calculate the voltage across each resistor.

Correct answer:

U =  15 V
U1 =  6 V
U2 =  9 V

Step-by-step explanation:

R1=40 Ω R2=60 Ω Q=9 C t=1 min s=1 60  s=60 s  Q = I t I=Q/t=9/60=203=0.15 A  U1=R1 I=40 0.15=6 V U2=R2 I=60 0.15=9 V  U=U1+U2=6+9=15 V

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