Four resistors are connected across an ideal dc battery with voltage $V$ as shown in the figure.
Assume that all quantities shown are accurate to two significant figures. If the total current through this circuit is $I = 2.0 \mathrm {~A}$, what is the current through the $4.0 - \Omega$ resistor?

A) $3.0 \mathrm {~A}$
B) $1.3 \mathrm {~A}$
C) $2.0 \mathrm {~A}$
D) $1.0 \mathrm {~A}$
E) $2.4 \mathrm {~A}$

Question

Four resistors are connected across an ideal dc battery with voltage $V$ as shown in the figure.
Assume that all quantities shown are accurate to two significant figures. If the total current through this circuit is $I = 2.0 \mathrm {~A}$, what is the current through the $4.0 - \Omega$ resistor?

A) $3.0 \mathrm {~A}$ 
B) $1.3 \mathrm {~A}$ 
C) $2.0 \mathrm {~A}$ 
D) $1.0 \mathrm {~A}$ 
E) $2.4 \mathrm {~A}$

Quizplus · Accepted Answer

The Answer of Four resistors are connected across an ideal dc battery with voltage $V$ as shown in the figure.
Assume that all quantities shown are accurate to two significant figures. If the total current through this circuit is $I = 2.0 \mathrm {~A}$, what is the current through the $4.0 - \Omega$ resistor?

A) $3.0 \mathrm {~A}$ 
B) $1.3 \mathrm {~A}$ 
C) $2.0 \mathrm {~A}$ 
D) $1.0 \mathrm {~A}$ 
E) $2.4 \mathrm {~A}$

Four Resistors Are Connected Across an Ideal Dc Battery with Voltage