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
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 24PE: A child’s electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of...
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![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdeeaa88c-5828-485f-b1ca-4f1e98761afb%2F3c931bb3-6ee9-4536-a42f-9f6ae1e4a2a2%2Fot96rtv_processed.png&w=3840&q=75)
Transcribed Image Text: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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdeeaa88c-5828-485f-b1ca-4f1e98761afb%2F3c931bb3-6ee9-4536-a42f-9f6ae1e4a2a2%2F4m65zf_processed.png&w=3840&q=75)
Transcribed Image Text: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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