Choose the CORRECT answer for each item.1.There are two wires, one is made of copper and the other one is silver.These two wires of the same length are made, one from each of the materials.Is it possible for each wire to have the same resistance?Yes, because the two wires have the same length.Yes, because copper and silver have the different resistivity.No, because the two wires have the same length.No, because copper and silver have the different resistivity.a.b.C.d.2.A flashlight requires two 1.5-volt batteries for it to light. The current that flows through it is equivalent to 0.15 A.In an hour of operation, how much charge flows in the system?a. 520 Cb. 540 Cc. 560 Cd. 580 C3.A hair blower contains a heating element which has a resistance of 57 Q. This heating element is energized by a 220-V outlet.What is the current that flows in the heating element?a. 3.9 Ab. 4.9 Ac. 5.9 Ad. 6.9 A 4.What will happen to the resistance of a material if the resistivity changed due to the increase of temperature?a.lncreasesb. Decreasesc. remains the samed. zero5. A typical lightning bolt has an average current of 3x10^44 lasting 0.2 s.How much charge is delivered to the ground by the lightning bolt?а. 9,000 Cb. 7,000 Cс. 8,000 Cd. 6,000 C

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1.There are two wires, one is made of copper and the other one is silver. These two wires of the same length are made, one from each of the materials. Is it possible for each wire to have the same resistance? Yes, because the two wires have the same length. Yes, because copper and silver have the different resistivity. No, because the two wires have the same length. No, because copper and silver have the different resistivity. а. b. c. d.

1.There are two wires, one is made of copper and the other one is silver. These two wires of the same length are made, one from each of the materials. Is it possible for each wire to have the same resistance? Yes, because the two wires have the same length. Yes, because copper and silver have the different resistivity. No, because the two wires have the same length. No, because copper and silver have the different resistivity. а. b. c. d.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Choose the CORRECT answer for each item.
1.There are two wires, one is made of copper and the other one is silver.
These two wires of the same length are made, one from each of the materials.
Is it possible for each wire to have the same resistance?
Yes, because the two wires have the same length.
Yes, because copper and silver have the different resistivity.
No, because the two wires have the same length.
No, because copper and silver have the different resistivity.
a.
b.
C.
d.
2.A flashlight requires two 1.5-volt batteries for it to light. The current that flows through it is equivalent to 0.15 A.
In an hour of operation, how much charge flows in the system?
a. 520 C
b. 540 C
c. 560 C
d. 580 C
3.A hair blower contains a heating element which has a resistance of 57 Q. This heating element is energized by a 220-V outlet.
What is the current that flows in the heating element?
a. 3.9 A
b. 4.9 A
c. 5.9 A
d. 6.9 A

4.What will happen to the resistance of a material if the resistivity changed due to the increase of temperature?
a.lncreases
b. Decreases
c. remains the same
d. zero
5. A typical lightning bolt has an average current of 3x10^44 lasting 0.2 s.
How much charge is delivered to the ground by the lightning bolt?
а. 9,000 C
b. 7,000 C
с. 8,000 C
d. 6,000 C

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