Variable Resistance
A. Concentric circles
B. Elliptical in shape
C. Straight lines parallel to each other
D. Concentric circles near the point O but of elliptical shapes as we go away from it
Answer:C
Variable Resistance
A. Concentric circles B. Elliptical in shape C. Straight lines parallel to each other D. Concentric circles near the point O but of elliptical shapes as we go away from it