Question

A wire of resistance 2 Ohm is stretched to double its length. It is then bent in the form of a circle. Find the effective resistance across its diameter. (2 Marks)

Answer 1

Answer:

1

Explanation:

if wire is in form of circle then two semi Circle will be formed and they will be parallel to each other

Now it was streched to double

so R=4ohm

now 1/2+1/2 =1

hence this is the answer

Answer 2

Answer:

hi dear

I hope my handwriting is clear

this question is very important

it can be asked as an additional questions to krichoffs law and

one more thing except for nuclear reactor other all long answers will have a problem added

all the best