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

Wind, In which direction does air exert maximum pressure?

In which direction does air exert maximum pressure?

#title.fluid mecanic., What''s the main idea of the topic fluid mecanic???

What''s the main idea of the topic fluid mecanic???

What are valence band, The energy band formed by a series of energy levels ...

The energy band formed by a series of energy levels having valence electrons is called as valence band. At 0 K, the electrons fulfill the energy levels in valence band initialising

Simple harmonic motion, show that the oscillation of a liquid in a u-tube i...

show that the oscillation of a liquid in a u-tube is in simple harmonic motion

If an object isnt moving, Q. If an object isn't moving, no external force a...

Q. If an object isn't moving, no external force acts on it.  No it is always not true, there would be balanced forces which cancel each other out leaving no net force. Example:

Expermient of steelyards, Steelyards Either Roman or Danish steelyards ...

Steelyards Either Roman or Danish steelyards can be improvised using short lengths of lead or iron water pipe as counter-weights and loops of wire s pivots. The rod can be o

Communication physics, In a transmitter the final stage class C amplified ...

In a transmitter the final stage class C amplified with 18V DC supply calculate what equivalent Road the transistor to an antenna with 50ohm load impedance design and draw an L n

Explain gamma rays, Gamma Rays: The wave length of gamma rays is less t...

Gamma Rays: The wave length of gamma rays is less than 10-11 m.

Periodic Table, what are some properties of transition metals

what are some properties of transition metals

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