A material has resistivity of 2.8x10^-5 ohm m and a cross sectional area of 1.2 x...
A material has resistivity of 2.8x10^-5 ohm m and a cross sectional area of 1.2 x 10^-7 m^2. Determine the length of the material necessary to make a 100 ohm resistor
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A material has resistivity of 2.8x10^-5 ohm m and a cross
sectional area of 1.2 x...
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of...
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of 4.3 x 10-6 m2. A length of this wire is to be used as a resistor that will develop 45 W of power when connected across a 20-V battery. What length of wire is required? km
A certain wire has a resistivity of 2 x 10-8 Ohm*m at 20 degrees C. If...
A certain wire has a resistivity of 2 x 10-8 Ohm*m at 20 degrees C. If its length is 213 m and its cross-sectional area is 4 mm2, what will be its electric resistance at 68? (Assume that alpha = 0.005/deg C for this material)
A particular wire has a resistivity of 2.1*10^-8 Ω · m and a cross-sectional area of...
A particular wire has a resistivity of 2.1*10^-8 Ω · m and a cross-sectional area of 2.9*10^-6 m2. A length of this wire is to be used as a resistor that will receive 41 W of power when connected across a 20-V battery. What length of wire is required? _________km
A cylindrical object has a length of 689 m and a cross-sectional area of 1.89 *...
A cylindrical object has a length of 689 m and a cross-sectional area of 1.89 * 10-5 m2. The object has a resistance of 46.8 Ohms. What is the resistivity of the material the cylinder is made from?
A particular wire has a resistivity of 5.37×10-8 Ωm and a cross-sectional area of 1.78 mm2....
A particular wire has a resistivity of 5.37×10-8 Ωm and a cross-sectional area of 1.78 mm2. A length of this wire is to be used as a resistor that will develop 150 W of power when connected to a 6.50 V battery. What length of wire is required?
A cylindrical cable with a resistivity of 1.6x10-8 Ω·m and cross sectional area of 3x10-5 m^2...
A cylindrical cable with a resistivity of 1.6x10-8 Ω·m and cross sectional area of 3x10-5 m^2 carries a current of 100 A. There is a potential difference of 0.2 V applied across the entire cable. a. What is the resistance of the cable? b. What is the length of the cable? c. How many coulombs of charge pass through any cross section across the cable’s width during a 5 s time interval?
1. A wire of length L and cross-sectional area A has a resistance of 5 Ω. What...
1. A wire of length L and cross-sectional area A has a resistance of 5 Ω. What is the resistance if the same amount of material is used to make a wire triple as long? 2. What is the resistance of 15 m length of household no. 14 copper circular wire having a diameter of 1.6 mm? (Hint: the resistivity of copper – textbook, page 782)
What is the resistance of a copper wire 1.2 m in length whose cross-sectional area is...
What is the resistance of a copper wire 1.2 m in length whose cross-sectional area is 3.0 x 10-6 m2 at 35oC?
The resistivity of a conductor depends on A. It’s cross-sectional area B. It’s length C. The...
The resistivity of a conductor depends on A. It’s cross-sectional area B. It’s length C. The material out of which it is composed
You have a 100-m copper wire with cross-sectional area 0.25 mm2 and resistivity 1.7×10−8Ω⋅m. You make...
You have a 100-m copper wire with cross-sectional area 0.25 mm2 and resistivity 1.7×10−8Ω⋅m. You make a 780-turn solenoid by winding the wire on a plastic tube (diameter 4.0 cm, length 10 cm). a) Determine the resistance of the solenoid. Express your answer with the appropriate units. b) Determine the inductance of the solenoid. Express your answer with the appropriate units. c) Determine the frequency of the alternating current at which the inductive reactance of the solenoid is equal to...
A particular wire has a resistivity of 2.7 x 10-82. m and a cross-sectional area of 4.3 x 10-6 m2. A length of this wire is to be used as a resistor that will develop 45 W of power when connected across a 20-V battery. What length of wire is required? km
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