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 cylindrical cable with a resistivity of 1.6x10-8 Ω·m and cross sectional area of 3x10-5 m^2...
A resistor is constructed of a carbon rod that has a uniform cross-sectional area of 4.90 mm2. when a potential difference of 20.0 V is applied across the ends of the rod, the rod carries a current of 3.60 x 103 A (a) Find the resistance of the rod kS2 (b) Find the rod's length.
A cylindrical cable with 2.20 x 10-8 m resistivity carries a current of 1400 A. There is a potential difference of 2.3 x 10-2 V between two points on the cable that are 0.31 m apart. What is the radius of the cable?
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
2) Two identical cylindrical conductors each has a cross section area of 0.8 cm2 = 8.0 × 10-5 m2. length of 1.2 cm, and resistivity 0.1 Ω·m. T. When the cylinders are connected in series, calculate the total resistance two different ways and verify that you get the same answer. g. If the battery has a potential difference of 6 V, calculate the current flowing from the battery when these two resistors are connected in series. h. Draw a single...
A piece of Aluminium that is 20cm long and has a cross-sectional area of 10 m. 1. Calculate the resistance of this piece if the resistivity is ρAl= 2.82×10-8 Ω.m. 2. Calculate the conductivity of the Aluminum. 3. If a potential difference of 10V is maintained across the Aluminum piece. What is the current in that piece?
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
Consider copper wire with a cross-sectional area 7.85 × 10–5 m2. Caculate the required length of this wire such that it has a resistance of 0.341 Ω at a temperature of 180°C. The resistivity of copper is 1.68 × 10–8 Ω·m at 20°C and the temperature coefficient of resitivity of copper is 3.86 × 10–3 °C-1. Ingore any effects of thermal expansion on the dimensions of the wire. Can you please also explain how to use the temperature coefficient to...
A copper wire of cross-sectional area of 8.2x10^-7 m^2 has a resistance of 1.11 Ω. a). How long is the wire? b). If a potential of 12.0 V is applied across the ends of the wire, what current will flow through the wire? c). How much electrical power is supplied to the spool? d). How many electrons (N) pass through this wire in 1.00 minutes?
The resistivity of a 1.0 m long wire is 1.72 × 10-8 Om and its cross sectional area is 2.0 × 10-6 m2. If the wire carries a current of 0.20 A, what is the voltageacross the wire?a) 10 mVb) 17 mVc) 0.90 mVd) 1.7 mVe) 90 mV
One hundred turns of insulated copper wire are wrapped around a wooden cylindrical core of cross-sectional area 1.30×10-3 m2. The two terminals are connected to a resistor. The total resistance in the circuit is 15.0 O. If an externally applied uniform longitudinal magnetic field in the core changes from 1.60 T in one direction to 1.60 T in the opposite direction, how much charge flows through the circuit (in Coulombs)?