Asked by star

a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The current through the 60 ohm resistor?

A) 1.0A
B) 5.0 A
C) is about 1.3 A
D)4.0 A
E) cannot be calculated
Answered by bobpursley
wouldn't the current in each be the same (in series)?
Answered by star
what u mean it wil be the same as wat ?
Answered by Elena
I=U1/R1 =U2/R2 =80/20=4 A
D)4.0 A
Answered by Aliza
As it's a series combination therefore the current remains same throughout. We are given R1=20ohm and V1= 80v so according to formula I=v/R answer is 4A.
Answered by Binyam
In a series circuit, the amperage at any point in the circuit is the same. This will help in calculating circuit values using Ohm's Law.
Therefore, the current of the 20 resistor is same in the 60 resistor.

I= 80/20= 4a

60 resistor= 4a
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