The voltage measured between points A and B in the circuit consisting of eight resistors, each having a resistance of 119 Ω, is 5 V. What is the power dissipated (in W) in the system of eight resistors?

Engineering

Physics

Ohm Law and Current Basics

Question

The voltage measured between points A and B in the circuit consisting of eight resistors, each having a resistance of 119 Ω, is 5 V.

What is the power dissipated (in W) in the system of eight resistors?

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$P = \frac{34 V}{5} \times \frac{21 V}{5 R} = \frac{34 \times 21 V^{2}}{25 R} = 6 W$ .

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