Question: When 115 V is applied across a wire that is 10 m long and has a 0.30 mm radius, the magnitude of the current density

When 115 V is applied across a wire that is 10 m long and has a 0.30 mm radius, the magnitude of the current density is 1.4 x 104 A/m2. Find the resistivity of the wire.

Step by Step Solution

★★★★★

3.37 Rating (169 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

We use J Ep where E is the magnitude of the uniform electric field ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

2-P-M-C-R (213).docx

120 KBs Word File

Students Have Also Explored These Related Electricity and Magnetism Questions!

A copper wire is 8.00 m long and has a cross-sectional area of 1.00 x 104 m2. The wire forms a one-turn loop in the shape of square and is then connected to a battery that applies a potential...

A potential difference V ab = 48.0 V is applied across the capacitor network of Fig. E24.17. If C 1 = C 2 = 4.00 µF and C 4 = 8.00 µF, what must the capacitance C 3 be if the network is...

A wave on a rope that measures 10 m long takes 2.0 s to travel the whole rope. If the wavelength of the wave is 2.5 m, what is the frequency of oscillation of any piece of the rope?

I need help with the following questions: 1# The magnitude J of the current density in a certain wire with a circular cross section of radius R = 2.18 mm is given byJ = {3.13 X 108%? with J in...

When 87.1 V is applied across a wire that is 9.1 m long and has a 0.28 mm radius, the magnitude of the current density is 1.7 x 104 A/m2. Find the resistivity of the wire. Number I Units 4

Example 21.2 The Resistance of Nichrome Wire The radius of 22-gauge Nichrome wire is 0.299 mm. (A) Calculate the resistance per unit length of this wire. (B) If a potential difference of 10 V is...

Pls answer all the questions step by step and show the workings clearly.Thank you! All info there pls check again 1. 2. 3. A8 How do two point charges that interact through Coulomb's law \"know\"...

. 1. [-/2 Points] SERCP1 1 17.2.P.006. ASK YOUR TEACHER If 4.00 x 10'3 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.68 h, what is the current in the cell...

Need all questions answered please 0-392 mA> Compute the magnetic eld inside the solenoid. The permeability of free space is 47r x 107 T - m/A = 1.25664 x 10-6 N/A2. Answer in units of T. 006 (part 2...

Can you please help me with these college physics questions. The questions are in the screenshots and dow below: 1. A 0.400-kg object is attached to a spring with spring constant k = 10.0 N/m and...

A firm with a corporatewide debt-to-equity ratio of 1:2, an after-tax cost of debt of 7%, and a cost of equity capital of 15% is interested in pursuing a foreign project. The debt capacity of the...

Prove that a linear function L: Cn Cm is real if and only if L[u] = Au where A is a real m n matrix.

7.110 Alcohol consumption and body composition. Individuals who consume large amounts of alcohol do not use the calories from this source as efficiently as calories from other sources. One study...

Verify that the vector functions 4 e -t and x2 = are solutions to the homogeneous system x' = Ax = 2 -1 12 e -t x on (- 00,00), and that tet - 2 tet Xp = 12 + 8 is a particular solution to the...

A circular rigid body with radius r = 2 m is rolling without slipping on a curved surface with radius of curvature in 2D, as shown (not drawn to scale). The angular velocity of the body is 2 r a d /...

The given vector functions are solutions to the system x'(t) = Ax(t). 4t e sin (7t) cos (7t) X, = 4 4t X2 cos (7t) X3 sin (7t) 4t e sin (7t) cos (7t) Determine whether the vector functions form a...

The given vector functions are solutions to the system x'(t) = Ax(t). 8. X1 = 3t 9t X2 = - 8 Determine whether the vector functions form a fundamental solution set. Select the correct choice below...

Diagram an example of differential negative reinforcement.

For a satellite to be in a circular orbit 780 km above the surface of the earth, (a) What orbital speed must it be given, and (b) What is the period of the orbit (in hours)?

Assrune that the earth's orbit around the sun is circular use the earth's orbital radius and orbital period given in Appendix F to calculate the mass of the sun.

International Space Station the International Space Station makes 15.65 revolutions per day in its orbit around the earth. Assuming a circular orbit, how high is this satellite above the surface of...

Lang Industrial Systems Company (LISC) is trying to decide between two different conveyor belt systems. System A costs $280,000, has a four-year life, and requires $85,000 in pretax annual operating...

Braveheart Traders was incorporated on Jan. 1, 2016 to produce and sell carnival designs and costumes. The following transactions relate to certain securities acquired by Braveheart Traders, which...

PORTFOLIO ANALYSIS: Jane is considering investing in three different securities or creating three distinctive two-factor portfolios. She is able to obtain the monthly returns of securities A, B & C...