A copper transmission cable 100 km long and 10.0 cm in diametercarries a current of 125 A. How much electrical energy is dissipated as thermal energy every hour?
Q: A light bulb is connected to a 120.0-V wall socket. The current (in Amperes) in the bulb depends on…
A:
Q: A 190-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,210 A.…
A: Length of transmission line (L) = 190 km = 190000 m Diameter of the transmission line (d) = 2 cm…
Q: A typical cellular phone consumes an average of about 1.10 W of electrical power and operates on…
A:
Q: Copper has one conduction electron per atom. Its density is 8.89 g/cm' and its atomic mass is 63.54…
A:
Q: A 0.1-A current flows through of a copper wire of length 1.0 m for 20 minutes. The diameter of the…
A:
Q: A resistor gains 3 Joules of heat in 30 seconds when a current is sent through it. What is the…
A: Given data: Gain in Heat Energy (ΔE) = 3 J Time interval (Δt) = 30 s Required: The average power…
Q: What current flows through a 1.50-cm diameter of pure copper wire (p = 1.70×10-8 Ω⋅m) that is 14.0…
A: In this case, the diameter and length of the copper wire are given. And the resistivity of the wire…
Q: On a sunny day, a rooftop solar panel delivers 60 W of power to the house at an emf of 17 V. How…
A:
Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…
A: We know that V=IR where V= voltage…
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.50 A. Assuming the…
A:
Q: If electrical energy costs 12 cents, or $0.12, per kilowatt-hour, then what would the following…
A: Here , A) for 40W , Rate = 24 ×40×0.12×10-3 =0.1152 $ Now , B) P =VI = 20(220) =4400 W Now Rate =…
Q: On a sunny day, a rooftop solar panel delivers 80 W of power to the house at an emf of 17 V. How…
A:
Q: A heart defibrillator is used to enable the heart to start beating if it has stopped. This is done…
A: Current (I) = 12 A Voltage (V) = 25 V time (t) = 3 millisecond
Q: The 400 V battery of a Tesla Model S electric car stores 3.0 X 108 J of energy. At 65 mph, the car…
A: Time taken to drive 250 Miles at 65 Mph speed is t= 25065 hr= 3.84 hr =1.38 x 104 s The Power…
Q: Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for…
A: Given Data The diameter of the wire is d = 0.205 cm The current carried by the wire is I = 20 A…
Q: An electric iron consumes energy at a rate of 840 W when heating is at the maximum rate and 360 W…
A: Write the expression for power output. When heating at maximum rate. Use equation (I) to find the…
Q: A proton beam in an accelerator carries a current of 125 μA. If the beam is incident on a target,…
A: Current is defined as the flow of charges. Whenever there is a motion of charged particles there…
Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…
A:
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.00 A. Assuming the…
A: Given data: Voltage (V) = 120 V Current (I) = 5.00 A Mass (m) = 0.300 kg Initial temperature (Ti) =…
Q: When current flows through a 240 resistor dissipates energy is 60 watt. How much charge is passing…
A:
Q: A 310-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,030…
A:
Q: A power trans line is hung wers with glass ving 2. What current (in mA) flows through the insulator…
A: Given: The resistance of the metal tower is 2.8×109 Ω. The potential difference is 160 kV.
Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…
A: Solution: The current flow through the insulator can be obtained by using Ohm's law. Ohm's law is…
Q: A proton beam in an accelerator carries a current of 140 µA. If the beam is incident on a target,…
A: Given : Current=I=140 μA Time=t=25 s
Q: A high-voltage electricity transmission line is hung from metal towers with glass insulators having…
A: Given Resistance of wire = 0.85 × 109 Ω Applied voltage = 180 kV We have to calculate the current
Q: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To…
A: Given data: Electrical energy cost = $0.12 /kW.h Power of light bulb (P) = 80.0 W = 0.0800 kW Time…
Q: A 9 V battery costs $1.49, and will run a portable CD player for 6 hours. Suppose the battery…
A: The objective of the question is to calculate the cost of the energy in dollars per kilowatt-hour…
Q: The resistance of the skin on a person's finger is typically about 10,000 N. How much voltage would…
A:
Q: A 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At…
A:
Q: A 270-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,150…
A: Given values: Length of the line, l=270 km Diameter of the line, d=2.00 cm Current, I=1150 A Free…
Q: A gold wire of 0.500 mm diameter has 8.20 × 1028 conduction electrons per cubic meter. If the drift…
A:
Q: An immersion heater has a resistance of 5.0 ohms while drawing a current of 3.0 ampheres. What is…
A: Given data -The Resistance of the immersion heater is given as .The current drawn is given as I = 3…
Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…
A: Given that resistance is 1.00×109 Ω, and voltage is 200 kV.
Q: a)What energy (in J) is dissipated by a lightning bolt having a 17,300 A current, a voltage of 1.40…
A:
Q: An iron wire has a resistance of 78.7. m ohm at 20 degrees Celsius. When the wire carries a current,…
A: The temperature coefficient of resistance for iron is 0.0057 C-1 ...
Q: A man foolishly tries to fish a burning piece of bread from a toaster with a metal butter knife and…
A: Given Data: The voltage is, V=120 V The threshold of sensation current is, I=1 mA The expression…
Q: In the evening, the student turns on a 38-W table lamp, plugs in a 167-W computer to study physics,…
A: Power of lamp is Power of computer is Power of coffee maker is Note:The voltage in household…
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 4.50 A. Assuming the…
A: Operating voltage V= 120 V Current I = 4.50 A Power rating is given by P = VI P = 120×4.50 W P = 540…
Q: A 50.0 m long Aluminum wire has a diameter of 0.50 mm and is at 20.0°C. If it carries a current of…
A: Data Given , Length of the wire ( L ) = 50 m Diameter of the wire ( d ) = 0.50 mm =…
A copper transmission cable 100 km long and 10.0 cm in diameter
carries a current of 125 A. How much electrical energy is dissipated as thermal energy
every hour?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps