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The 10.00 V battery in the figure (Figure 1) is removed from the circuit and reinserted with the opposite polarity, so that its positive terminal is now next to point a. The rest of the circuit is as shown in the figure.
a) Find the current through the 3 Ω resistor.
b) Find the current through 4.00 Ω resistor.
c) Find the current through 10.00 Ω resistor.

The 1000 V battery in the figure Figure 1 is removed from the circuit and reinserted with the opposite polarity so that its positive terminal is now next to poi class=

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(a) The current through the 3 Ω resistor is 1.5 A.

(b) The current through 4.00 Ω resistor is 1.5 A.

(c) The current through 10.00 Ω resistor is 1.5 A.

Total voltage drop in the circuit

The voltage drop from point a to point b is calculated as follows;

Vt = Va + Vb

Vt = 10 V + 5 V = 15 V

Total series resistance

Rt = 2 + 3 + 1 + 4 = 10 ohms

Current through 3 ohms and 4 ohms

I = V/R

I = 15/10 = 1.5 A

Current through 10 ohms

I = 15/10 = 1.5 A

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