Question

2. Verify the law of combination for parallel connection of resistances using
Metre Bridge​

Answer 1

Explanation:

The resistance (r) of a resistance wire or coil is given by r=(100-1)/L *R where R is the resistance from resistance box in the left gap and Lis the length of meter bridge wire from O end upto balance point. When r, and r, are connected in parallel, then their combined resistance

Rp = r1r2 /r1+r2