Advertisements
Advertisements
प्रश्न
How does the resistance of a wire vary with its:
diameter?
Advertisements
उत्तर
We know that the area of cross-section, A = πr2 = π (d / 2)2, where r is the radius and d is the diameter of the wire. So on increasing the diameter of the wire, its resistance decreases.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
