Circuit A is made of resistors connected in series to a battery, circuit B is made of resistors connected in parallel to a battery. Let P be the power drawn from the batteries. As the number of resistors in each circuit is increased,

Options

A. `P_(A)` increases and `P_(B)` decreases,
B. both `P_(A)` and `P_(B)` increase
C. `P_(A)` decreases and `P_(B)` increases,
D. `P_(A)` and `P_(B)` remain the same

Answer

C

Explanation

As both combinations are individually connected to same battery
`thereforeP=(V^(2))/(R_(eq))"or"Pprop(1)/(R_(eq))`
As more resistors are taken, `R_(eq)` in series increases and decreases in parallel.
`thereforeP_("series decreases") "and" P_("parallel increases")`