2. A coil wire has a resistance of 250 at 20°C and the resistance of 25.17 at 35°C. What is its temperature coefficient of resistance?

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THE GLOBAL SCHOOL OF INNOVATION
GENERAL PHYSICS 2
Activity 6: Resistance
ME:
SECTION:
truction: Answer the following problems on the space provided in each
mber. Use GISNF (Given, Illustration, Solution, Normal Answer, Final Answer)
mat. Use extra sheet if necessary.
1. Number 10 wire has a diameter of 2.59mm. How many meters of numbe
10 aluminum wire is needed to give a resistance of 10 (p, = 2.8x10 °2
-8
At
2. A coil wire has a resistance of 25 Q at 20°C and the resistance of 25.17
at 35°C. What is its temperature coefficient of resistance?
3. What is the resistance of 20 m of aluminum wire whose cross- sectione
area is 7mm?
4. How long must a no.22-gauge aluminum wire be if it has a resistance
2.5 Q. The diameter of no.22 wire is 6.44 x 10* m.
pa
Transcribed Image Text:THE GLOBAL SCHOOL OF INNOVATION GENERAL PHYSICS 2 Activity 6: Resistance ME: SECTION: truction: Answer the following problems on the space provided in each mber. Use GISNF (Given, Illustration, Solution, Normal Answer, Final Answer) mat. Use extra sheet if necessary. 1. Number 10 wire has a diameter of 2.59mm. How many meters of numbe 10 aluminum wire is needed to give a resistance of 10 (p, = 2.8x10 °2 -8 At 2. A coil wire has a resistance of 25 Q at 20°C and the resistance of 25.17 at 35°C. What is its temperature coefficient of resistance? 3. What is the resistance of 20 m of aluminum wire whose cross- sectione area is 7mm? 4. How long must a no.22-gauge aluminum wire be if it has a resistance 2.5 Q. The diameter of no.22 wire is 6.44 x 10* m. pa
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