The resistivity of a conductor depends on A. It’s cross-sectional area B. It’s length C. The...
has Conductor 1 meter Length with cross-sectional area of Imm² and a resistance of gose. - what is the resistance of wire from the material and with a Cross sectional area of o. 25mm?? 100 meters Length of same
two copper conductors have equal length. the cross-sectional area of one conductor is three times that of the other. If the resistance of the conductor having smaller cross-sectional area is 20 ohms, what is the resistance of the other?
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
A wire of length L and cross-sectional area A has resistance R. What will be the resistance Rstretched of the wire if it is stretched to twice its original length? Assume that the density and resistivity of the material do not change when the wire is stretched.
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?
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)
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 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 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?
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