Three resistors are made out of three different materials and have different (bu

Question

Three resistors are made out of three different materials and have different (but uniform) cross sections. Resistor 1 has a circular cross-section of radius 2.90 mm. Resistor 2 has a square cross section with a side length of 4.77 mm. The third resistors cross section is a right triangle with two side of length 7.44 mm as shown. All of the resistors are 0.688 cm in length. Use the provided resistivities to calculate the resistance of each resistor.
Resistor 1 4.79x10^-3 QM
Resistor 0.682 QM
Resistor 5.75x10^-5 QM

Explanation / Answer

R = l/A, = resistivity, l = length, A = Cross sectional Area

Resistor 1: R = 1.24732 Ohms

Resistor 2: R = 206.2225 Ohms

Resistor 3: R = 0.01429 Ohms

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