Kirchhoff's Loop Rule Video Lessons

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Problem: The batteries shown in the circuit in (Figure 1) have negligibly small internal resistances. Assume that & 8.00 negligibly small internal resistances. Assume that-8.00 V and R = 21.9 Ω.1.Find the current through the 30.0 Ω resistor.Express your answer in amperes to three significant figures2.Find the current through the 21.9 Ω resistor.Express your answer in amperes to three significant figures3.Find the current through the 8.00 V battery.Express your answer in amperes to three significant figures

FREE Expert Solution

(1)

Applying Kirchoff's loop rule to the left loop:

ε - (30.0)i1 = 0

i1 = ε/30.0 = 8.00/30.0 = 0.267 A

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Problem Details

The batteries shown in the circuit in (Figure 1) have negligibly small internal resistances. Assume that & 8.00 negligibly small internal resistances. Assume that-8.00 V and R = 21.9 Ω.

1.

Find the current through the 30.0 Ω resistor.

Express your answer in amperes to three significant figures

2.

Find the current through the 21.9 Ω resistor.

Express your answer in amperes to three significant figures

3.

Find the current through the 8.00 V battery.

Express your answer in amperes to three significant figures

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Our tutors have indicated that to solve this problem you will need to apply the Kirchhoff's Loop Rule concept. You can view video lessons to learn Kirchhoff's Loop Rule. Or if you need more Kirchhoff's Loop Rule practice, you can also practice Kirchhoff's Loop Rule practice problems.