2. A cylindrical copper cable 1.50 km long is connected across a 220-V potential difference.The resistivity of copper at room temperature (-293 K) is 1.72 x 10¹ m.a. What should be its diameter so that it produces heat (.e. dissipates electrical energy)at a rate of 90.0 W?b. What is the electric field inside the cable under these conditions?c. What is the current flowing through the copper cable?d.If the temperature of the copper cable increases by 10 degrees, what is the newresistivity of the copper cable and what is the new rate at which it produces heat?Neglect the effect of changes in the cable's dimensions.

Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Answered: 2. A cylindrical copper cable 1.50 km…

Similar questions

la. This resistor has a resistance of 48002, and 32mA of current flows to the left into it. The right end of the resistor is at a potential of VR= 12.5V. What is the potential difference AV across the resistor? 1b. What is the potential VL of the left end of the resistor? 1c. What is the power output by the resistor? VLP 1d. What is the current that flows out of the resistor? resistor R=4800 I I= 32mA VR=12.5V
The heater element of a 120V toaster is a nichrome wire with length of 5.4 m, and diameter of .48 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3x10^-6 ohm-meter. What is the power drawn drawn closest to? A. 380 W B.370 W C. 360W D. 400w E. 410W
The mean time between collisions in iron is 4.8x10-15 s. ▼ Part A What electron current is driven through a 1.4-mm-diameter iron wire by a 0.070 V/m electric field? Express your answer as a number of electrons per second. 17 ΑΣΦ ie= = Submit Request Answer ? electron/s
Jimmy has a battery connected across a peice of conducting wire. If Jim wants to create greater power dissipation in the wire , he should : a. Make the wire longer b. Increase the diameter of the wire cross section c. Increase the resistivity of the wires matierial d. Increase the temperature e. Decrease the battery voltage
p5
Conduction electrons move to the right in a certain wire. What does this imply? Assume a conventional current. A. The current density and electric field both point left. B. The current density and electric field both point right. C. The current density points right, and the electric field points left. D. The current density points left, and the electric field points right. E. The current density points left, but the direction of the electric field is unknown.
5. Suppose a kite string of radius 2.00 mm extends directly upward by 0.800 km and is coated with a 0.500 mm layer of water having resistivity 150 Q.m. If the potential difference between the two ends of the string is 160 Mv, what is the current through the water layer?
A rod of length 2.3 m, with a rectangular cross section (1.5mm x 3.0 mm) is made ofa material with a resistivity of 6.1 × 10^-8 Ohm. A potential difference of 5.0 V isplaces across the ends of the rod.a. Draw a clear physics diagram of the problem.b. At what initial rate is heat generated in the rod?c. Will the rate from part (b) increase, decrease, or remain constantover time, as the rod remains connected to the 2.5 V potential difference?Explain briefly
When running on its 11.4 V battery, a laptop computer uses 8.3 W. The computer can run on battery power for 9.0 h before the battery is depleted.a. What is the current delivered by the battery to the computer?b. How much energy, in joules, is this battery capable of supplying?c. How high off the ground could a 75 kg person be raised using the energy from this battery?
4. A 4.2 k 8.85 V. a. b. resistor is connected to a 9V battery. When measured, the battery has a voltage of What is the current going through the resistor? What is the internal resistance of the 9V battery?
please help with questions 2,3,4,5 and 6 please TOGETHER!!!! please please
Don't provide handwritten solution.

SEE MORE QUESTIONS