Guest

Good evening sir. Answer is 3rd option. Explain it sir.

Good evening sir.
Answer is 3rd option.
Explain it sir.

Question Image
Grade:

1 Answers

Arun
25750 Points
5 years ago

the resistance would be given as

R = ρl/A

here

RA = ρLA/AA = ρL / (L x L)

so,

RA =  ρ / L

and as thickness is same, equal to L

RB = ρLB/AB =  ρ2L/ (2Lx L)

so,

RB = ρ / L

thus, the ration will be

RA / RB = ( ρ / L) / ( ρ / L)

thus,

RA / RB = 1

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free