A resistor of resistance is connected to a cell of internal resistance
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
A resistor of resistance R is connected to a cell of internal resistance 5Ω. The value of R is varied from 1Ω to 5Ω. The power consumed by R:
increases continuously
decreases continuously
first decreases then increases
first increases then decreases.
(1) increases continuously
(2) decreases continuously
(3) first decreases then increases
(4) first increases then decreases.