numerical for 1mark
Asked by rohitkumarh94 | 19th Dec, 2009, 10:10: PM
Expert Answer:
hi dear,
circumference = 2 π r, r is the radius of the circle
circumference = 2 π r/100 (convert cm to m)
resistance of wire = 20 π r/50 = 2π r/5
Reistance of each section = 2π r/10
Equivalent resistance = {2 X π r/5 X π r/5} / {π r/5 + π r/5 } = π r/5
Hope this helped.
Topperlearning.com
Answered by | 20th Dec, 2009, 05:07: AM
Related Videos
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change