A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is
(A) 300 W (B) 150 W (C) 45 W (D) 20 W
(A) 300 W (B) 150 W (C) 45 W (D) 20 W