Determine the current density in the wire

Assignment Help Physics
Reference no: EM13246604

The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 6.00 mm in diameter and 1.71 m long. The starter motor runs for 0.85 s before the car engine starts up. How much electric charge passes through the starter motor?

What is the current density in the wire?

Reference no: EM13246604

Questions Cloud

Which should be the signal power in the given case : A cable technician tested the signal-to-noise ratio on the curb as 20 dBm. This means, if the noise power is at 1 mW, then the signal power should be 20 dB higher then that. If the noise power is 20 mW
Why was european culture and civilization better equipped : Why was European culture and civilization better equipped them to conquer the Inca, Aztec and other “New World” civilizations and not the other way around?
Explain iron nitrate and potassium phosphate react : What is the limiting reactant when equal masses of iron(III) nitrate and potassium phosphate react in solution?
Calculate the hall field and hall voltage : Germanium is n-type doped at 5x1015 cm-3 at T=300 K. The dimensions of the Hall device are d=5x10-3 cm, W=2x10-2 cm, and L=10-1 cm. The current is Ix=250 A, the applied voltage is Vx=100 mV, and the magnetic flux density is Bz= 500
Determine the current density in the wire : The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 6.00 mm in diameter and 1.71 m long, What is the current density in the wire
Discuss the challenges that confronted africa''s independence : What lead to the decolonization in Africa. Discuss the challenges that confronted Africa's independence.
Explian gases effuses at approximately one-half that rate : at 25 C, a sample of NH3(molar mass= 17g/mol) effuses at a rate of .050 mole per min. under the same conditions, which of the fallowing gases effuses at approximately one-half that rate
What is the no load terminal voltage of the generator : given data: RA = 0.18 ohm, Radj = 10 ohm, NF = 1000 turns per pole, VF = 120V, RF = 20 ohm. This is a shunt connected generator with a speed of 1800 r/min. A. what is the no load terminal voltage of the generator
How to program in visual basic four square buttons : How to program in visual basic four square buttons arranged in a rectangular array each button says push me... when user clicks on a button the button disappears the other three come or remain visible

Reviews

Write a Review

Physics Questions & Answers

  Determine the estimated final velocity of the cart

For safety in climbing, a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. Whilst supporting a 96-kg climber, the rope elongates 1.4 m. Find its Young's modulus.

  The necessary metabolic power

What is the necessary metabolic power? Hint: You can model her power needs as the sum of the power to walk on level ground plus the power needed to raise her body by the appropriate amount. Express your answer to two significant figures and include t..

  What is the final rotational speed of the ball

a ball rolls down a 100m.the hill is inclined at 60 degrees. if the ball has a rotational inertia of 10kg-m^2 and starts from rest, what is the final rotational speed of the ball?(you must use the conservation of energy)

  Assume too that the bullets rebound straight back

Assume too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from stream of bullets.

  Find time constant if the balls amplitude

Find time constant if the ball's amplitude has decreased to 2.20 cm after 51.0 oscillations? Explain your answer.

  What pressure must the water have inside the hose

To fight a fire on the fourth floor of a building, firefighters want to use a hose of diameter 6.31cm to shoot 925 liters/minute of water to a height of 11m, What pressure must the water have inside the hose

  What size resistor should be placed in series

A galvanometer has a coil resistance of 29.0 ?. It is to be made into a voltmeter with a full-scale deflection equal to 100.0 V, what size resistor should be placed in series with the galvanometer

  What maximum upward acceleration can it give the elevator

A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.

  What is its period of revolution

A doubly charged helium atom whose mass is 6.6 ×10?27kg is accelerated by a voltage of 2700V, What is its period of revolution

  What is flea initial speed as it leaves the ground

If a flea can jump straight up to a height of 22.0 , what is its initial speed as it leaves the ground, neglecting air resistance?

  Find total number of rotations of the wheel

A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, 1.) Find the angular acceleration of the wheel.

  What is the magnetic force per unit length on the wire

10 A of current flows through a wire oriented perpendicular to a magnetic field strength of .2T, What is the magnetic force per unit length on the wire?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd