The current-density magnitude in a certain circular wire is, Ask an Expert

Academics

The current-density magnitude in a certain circular wire is J = (2.60 × 1010 A/m4)r2, where r is the radial distance out to the wire's radius of 3.00 mm. The potential applied to the wire (end to end) is 55.0 V. How much energy is converted to thermal energy in 1.40 h?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9961162

Have any Question?Write your Review or question?

Related Questions in Physics

Question a proton with a rest mass Question: A proton (with a rest mass

Question: A proton (with a rest mass m=1.67Ã-10âˆ'27kg) has a total energy that is 4.00 times its rest energy. Part A: What is the kinetic energy Ek of the proton? Express your answer in billions of electron volts to thr ...

Question a point charge with charge q1 is held stationary

Question: A point charge with charge q1 is held stationary at the origin. A second point charge with charge q2moves from the point (x1, 0) to the point (x2, y2). Please use k for Coulomb's constant rather than writing it ...

Question a particle moving along the y-axis has the

Question: A particle moving along the y-axis has the potential energy U = 4y^3J, where y is in m. A) Graph the potential energy from y=0m to y=2m. B) What is the y-component of the force on the particle at y=0m? C) What ...

Question io loses about a ton 1000 kilograms of sulfur

Question: Io loses about a ton (1000 kilograms) of sulfur dioxide per second to Jupiter's magnetosphere. Part A: At this rate, what fraction of its mass would Io lose in 9.0 billionyears ? Express your answer using two s ...

Question a picture frame hung against a wall is suspended

Question: A picture frame hung against a wall is suspended by two wires attached to its upper corners Part A: If the two wires make the same angle with the vertical, what must this angle be if the tension in each wire is ...

Question the starter motor of a car engine draws a current

Question: The starter motor of a car engine draws a current of 170 A from the battery. The copper wire to the motor is 5.80 mm in diameter and 1.2 m long. The starter motor runs for 0.670 s until the car engine starts. A ...

Question at what speed does a ball hit the ground if you

Question: At what speed does a ball hit the ground if you toss a 120 g ball straight up to just touch the 12-m-high roof of the gymnasium if you release the ball 1.5 m above the ground? Solve this problem using energy. T ...

Question a roller coaster car is going over the top of a

Question: A roller coaster car is going over the top of a 12-m-radius circular rise. At the top of the hill, the passengers "feel light," with an apparent weight only 60% of their true weight. How fast is the coaster mov ...

Question a parallel-plate air capacitor has a capacitance

Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 3.90 ÎC. What is the potential difference between the plates? Express your answer with the appropriate units. Part B If th ...

A hiker measures the angle of elevation to the top of a

A hiker measures the angle of elevation to the top of a cliff as 16.0o. She walks 1.20 km further away from the cliff on level ground, she finds the angle to be 11.0 o. a) Draw a diagram of the problem - you may ignore t ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert