Suppose that you try to compute the power consumption of your mobile phone using a shunt resistor.

Question:

Suppose that you try to compute the power consumption of your mobile phone using a shunt resistor. The following values are relevant for the computation of the power consumption at some time t: resistor, 0.47 Ω; power supply voltage, 5.1 V; and voltage across shunt, 0.23 V. What is the power consumption of your mobile at this time t?

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