Answered: 022 (part 1 of 2) A block of carbon is… | bartleby

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022 (part 1 of 2)
A block of carbon is 7.8 cm long and has a
square cross-sectional area with sides of 3 cm.
A potential difference 2.1 V is maintained
across its length.
What is the resistance of the resistor? The
resistivity of carbon is 6.1 x 10-5n. m.
Answer in units of m2.
023 (part 2 of 2)
What is the current in the resistor?
Answer in units of A.

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