AC supply gives 30V which passes through a 10ω resistance. The power dissipated in it is _______.
A. 90√2 W
B. 90 W
C. 45√2 W
D. 45 W
Answer:B
AC supply gives 30V which passes through a 10ω resistance. The power dissipated in it is _______.
A. 90√2 W B. 90 W C. 45√2 W D. 45 W