Physics, 23.03.2020 16:56 Shyerica

A carbon resistor is 7 mm long and has a constant cross section of 0.3 mm2. The conductivity of carbon at room temperature is 3 × 104 per ohm·m. In a circuit its potential at one end of the resistor is 13 volts relative to ground, and at the other end the potential is 16 volts. Calculate the resistance and the current .

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A carbon resistor is 7 mm long and has a constant cross section of 0.3 mm2. The conductivity of carb...