Q3.8Multiple correct
Consider a simple circuit shown in Fig 3.2. stands for a variable resistance R ′. R ′ can vary from R0 to infinity. r is internal resistance of the battery (r<<R<<R 0). A B R
This question refers to a figure in the original PDF.
- (a)Potential drop across AB is nearly constant as R ′ is varied.
- (b)Current through R′ is nearly a constant as R ′ is varied. r
- (c)Current I depends sensitively on R ′. Fig 3.2 V
- (d)I ≥ always. r +R