Compare the resistances, Physics

Assignment Help:

Two resistances have lengths in the ratio 1:4 and radius 1:2,specific resistances in ratio 3:1. compare their resistances.

Solution)
Given lengths l1=1

                         l2=4

Given radius r1=1

                        r2=2

 Given  specific resistances Ρ(rho)1=3

               Ρ2= 1

we know the R=Ρl/A

              R1/R2=3/1.


Related Discussions:- Compare the resistances

Determine average value of poynting vector, Show that average value of Poyn...

Show that average value of Poynting vector for a plane e-m wave is  1/2 √μ/e XH 2 .

What is maser, Q. What is Maser? Give the principle of it. 1) The term...

Q. What is Maser? Give the principle of it. 1) The term MASER for Microwave Amplification through Stimulated Emission of Radiation. 2) The working of maser is similar to th

Dipole moment, what is the electric field when both the charges are same in...

what is the electric field when both the charges are same in dipole

Why capacitor blocks d.c. but allows a.c., Q. A capacitor blocks d.c. but a...

Q. A capacitor blocks d.c. but allows a.c. Why? Capacitive reactance   XC = 1/ω C        = 1 / 2πν C Where ν is the frequency of the a.c. supply. In a d.c. circuit

Describe nor and nand gates, Describe NOR and NAND gates. Provide their tr...

Describe NOR and NAND gates. Provide their truth tables. Discuss the nature of a p-n junction. How does a potential barrier develop at the junction.

Algebra based physics 2.., A rectangular surface (0.14 m x 0.39 m) is orien...

A rectangular surface (0.14 m x 0.39 m) is oriented in a uniform electric field of 440 N/C. What is the maximum possible electric flux through the surface?

Problems regarding open organ pipes and closed organ pipes, a closed organ...

a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12Hz. if the two organ pipes are joined to form a single organ pipe then it will re

Coherence, Explain the concept of coherence.Discuss temporal coherence and ...

Explain the concept of coherence.Discuss temporal coherence and spatial coherence.

Write Your Message!

Captcha
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