Question: 2) Two wires of the same length and cross section, one made of copper and the other made of aluminum, are connected in parallel to

2) Two wires of the same length and cross section, one made of copper and the other made of aluminum, are connected in parallel to a voltage source. Which one will be hotter after 30 seconds? What happens if you connect them in series? Explain. (paluminum = 2.8 x 10'8 gm, peopper = 1.7 x 10'8 Elm)

Step by Step Solution

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!

Miller was eating a Big Mac at a McDonald's franchise restaurant in Oregon, when she bit into a sapphire stone and injured her teeth. She sued. Where could she file suit? Who would she sue? What...

2) Two wires of the same length and cross section, one made of copper and the other made of aluminum, are connected in parallel to a voltage source. Which one will be hotter after 30 seconds? What...

If it is low, the wave reflected back up the tower will largely remove the potential existing due to the incident wave. In this way the chance of flashover is eliminated. If, on the other hand, the...

Explosions may occur in the equipments which have insulating oil, particularly during short circuits. This may result in fire and hazardous conditions to personnel and equipments Individual...

The sensitivity of a relay refers to the smallest value of the actuating quantity at which the relay operates detecting any abnormal condition. In case of an over current relay, mathematically this...

Electric Power System is to generate and supply electrical energy to consumers. The power system should be designed and managed to deliver this energy to the utilization points with both reliability...

capital investment involved in power system for the generation, transmission and distribution is so great that the proper precautions must be taken to ensure that the equipment not only operates as...

The relay operating current (Io). The value of Io should not be too small or large so that the relay is either too sensitive or slow in responding. Damage to the equipment due to abnormally large and...

Damage to the equipment due to abnormally large and unbalanced currents and low voltages produced by the short circuits Explosions may occur in the equipments which have insulating oil, particularly...

The value of Io should not be too small or large so that the relay is either too sensitive or slow in responding. Damage to the equipment due to abnormally large and unbalanced currents and low...

In case of an over current relay, mathematically this can be defined as the ratio between the short circuit fault current (Is) and The relay operating current (Io). The value of Io should not be too...

Show that if the quadratic polynomial f (x) = x2 + rx + s takes on both positive and negative values, then its minimum value occurs at the midpoint between the two roots.

Monochromatic light is beamed into a Michelson interferometer. The movable mirror is displaced 0.382 mm, causing the interferometer pattern to reproduce itself 1 700 times. Determine the wavelength...

i need help t o understand and solve this equation You solution should include algebraic justification. Make sure t o justify how you know a number corresponds t o a maximum v s minimum. Consider the...

Dallas Pierces most recent credit card statement follows. His finance charge is 15% APR. Calculate Dallass average daily balance, finance charge, and new balance. (Round your final answers to the...

prove the engel proprove the engel proposition that the sum of the products of each income elasticity with its budget share must equal oneposition that the sum of the products of each income...

The inward flow reaction turbine develops 735 kW at 750 r.p.m. under a net head of 100 m. The guide vanes makes an angle of 15 with the tangent at inlet. The axial length of the blade at inlet is 0.1...

It is a new day. Peace had been restored to the universe and with it has returned our beloved nickel. In addition, a brand new, never-seen-before coin has been minted to celebrate the occasion: the...

Mr. Gorilla, a muscular man, has gotten lost in a maze. The maze is a rectangle of n rows and m columns, and it consists of open spaces and walls. Mr. Gorilla starts at positions and he wants to go...

Which type of testing would be appropriate to uncover psychographic traits of consumers that could be used in advertising? Question 7 options: Pretesting Strategy testing Concept testing Post-testing

LO5 Describe the guidelines for effectively communicating performance feedback to employees.

LO7 Explain how talent management uses information about employee performance and potential to guide employee decisions.

LO4 Discuss the advantages and disadvantages of the various raters of performance appraisal information.