Find the peak value of the ac current in the resistor

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Reference no: EM13247793

The average power dissipated in a 47-? resistor is 2.5 W. What is the peak value I0 of the ac current in the resistor?

The temperature coefficient of resistivity of a material is 0.0034 (C°)-1. By how much ?T does the temperature of a wire made from this material have to change, in order that the resistance of the wire doubles?

Reference no: EM13247793

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