Question: A conducting wire having cross section area 1.0 mm and length 1.0 km. The wire resistivity is 10-9 2.m at 20 C and its

A conducting wire having cross section area 1.0 mm and length 1.0

A conducting wire having cross section area 1.0 mm and length 1.0 km. The wire resistivity is 10-9 2.m at 20 C and its resistance is 2.0 2 at T= 320 "C. Find the temperature coefficient of resistivity(in Uch of the material. 1. O10.0 x103 2. O5.0 x103 3. 03.3 x103 4. 02.5 x10-3 5. 02.0 x10-3

Step by Step Solution

★★★★★

3.43 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

A hollow cylinder of length 2 m has its cross section as shown in figure. If the cylinder is made of carbon (? = 105 mhos/m), determine the resistance between the ends of the cylinder. Take a = 3 cm,...

A copper wire has a square cross section 2.3 mm on a side. The wire is 4.0 m long and carries a current of 3.6 A. The density of free electrons is 8.5 X 1028/m3. Find the magnitudes of (a) The...

A wire of uniform cross section having a mass of 1.2 kg/m is used to form the wire figure shown, which is suspended from cord AD. Knowing that an impulse se Ft = (5.4 N??s)j is applied to the wire...

If the beam in Prob. 628 has a rectangular cross section with a width b and a height h, determine the absolute maximum bending stress in the beam.

Consider a fully filled tank of semi-circular cross section tank with radius R and width of b into the page, as shown in Fig. P5-11. if the water is pumped out of the tank at flow rate of V = Kh2,...

Determine (a) the capacitance and (b) The maximum potential difference that can be applied to a Teflon-filled parallel-plate capacitor having a plate area of 1.75 cm2 and plate separation of 0.040 0...

Determine (a) The capacitance and (b) The maximum voltage that can be applied to a Teflon-filled parallel-plate capacitor having a plate area of 175 cm2 and an insulation thickness of 0.040 0 mm.

In a typical tension test a dog bone shaped specimen is pulled in a machine. During the test, the force F needed to pull the specimen and the length L of a gauge section are measured. This data is...

A three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius 3.5 mm (0.14 in.); the specimen fractured at a load of 950 N (215 lbf) when the...

A three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius 5.0 mm (0.20 in.); the specimen fractured at a load of 3000 N (675 lbf) when the...

A person with nearsightedness wishes to switch from regular glasses to contact lenses. Should the contact lenses have a stronger or a weaker prescription than the glasses? Explain.

On September 25, 2010, a hurricane destroyed the work in process inventory of Biloxi Corporation. At that time, the company was in the process of manufacturing two custom jobs (B325 and Q428)....

A local tanck company makes four products for sale to its customers. Details of the four products Qeestico 2 and relevant information are given below for one period: \ table [ [ Product ,...

8. A material has a transition from a liquid crystal to an ordinary liquid at 15.33 C at 1.0 atm. At 5.0 atm, the transition is at 16.74 C. If the molar density of the ordinary liquid is 5.51 mol/L...

Multiple Choice Questions: 1. Under a perpetual inventory system, the amount of each type of merchandise on hand is available in the a. customer's ledger b. creditor's ledger c. inventory ledger d....

Norio Manufacturing uses powdered plastics (PPS) to manufacture a high-pressure board used in digital equipment, Flex 10. Information concerning its operation in June is as follows: Budgeted units of...

Refer to the following selected financial information from Fennie's, LLC. Compute the company's accounts receivable turnover for Year 2. Cash... Short-term investments. Accounts receivable, net.....

The emission spectrum of a hypothetical atom is shown below in (Figure 1) for three distinct spectral series. The marked spectral line for instance corresponds to the transition from the initial...

E-Physics Tutorial Book Note: I have attached below the lesson for the 3 activities. Thank you so much for your time and effort. Activity 1. Directions: Use the right-hand rule to determine the...

PHYS 212 - Online Lab 3: Electromagnetic Induction Objectives: The purpose of this experiment is to investigate Faraday's law of induction and how an electrical potential (voltage) is generated in a...

6. A cross section of an infinitely long, conducting cylindrical wire of radius R is as shown in the figure (A). The wire carries a current of uniform density in the positive z-direction. R X R R (B)...

Answer these questions just write letters Question 4 The planet Venus can very occasionally be observed to cross the face of the Sun. These transits of Venus occur 8 years apart followed by a gap of...

UlC Physics Department Physics 142 Laboratory Manual Part 2: Resistivity Voltage vs Length From Eq. (2) it follows that if the cross-sectional area of a wire is constant, then the wire's resistance R...

#4 Part A - Magnetic Field Lines and Kick Strengths . In this part of the experiment we will map the magnetic field around a permanent bar magnet and measure the strength of the magnetic field (B) at...