The number of wire gauges in the United States is growing. The diameter of the wire's cross section a. remains neutral b. decreases c. stays the same d. increases 2. If any of the following relationships exist between resistance and conductance, which one is it? a. direct relationship b. none c. inverse square relationship d. reciprocal relationship 3. With an increase in temperature, a material with a _____ temp, coefficient will increase in resistance, while a material with a ___ temp, coefficient will decrease in resistance a. zero, negative b. positive, zero c. negative, positive d. positive, negative
The number of wire gauges in the United States is growing. The diameter of the wire's cross section a. remains neutral b. decreases c. stays the same d. increases 2. If any of the following relationships exist between resistance and conductance, which one is it? a. direct relationship b. none c. inverse square relationship d. reciprocal relationship 3. With an increase in temperature, a material with a _____ temp, coefficient will increase in resistance, while a material with a ___ temp, coefficient will decrease in resistance a. zero, negative b. positive, zero c. negative, positive d. positive, negative
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 14CQ: The current I is measured through a sample of an ohmic material as a voltage V is applied, (a) What...
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1. The number of wire gauges in the United States is growing. The diameter of the wire's cross section
a. remains neutral
b. decreases
c. stays the same
d. increases
2. If any of the following relationships exist between resistance and conductance , which one is it?
a. direct relationship
b. none
c. inverse square relationship
d. reciprocal relationship
3. With an increase in temperature, a material with a _____ temp, coefficient will increase in resistance, while a material with a ___ temp, coefficient will decrease in resistance
a. zero, negative
b. positive, zero
c. negative, positive
d. positive, negative
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