Question

In series LCR circuit, resistance is 18 `Omega` and impedance is 33 `Omega`. An r.m.s. voltage of 220 V is applied across the circuit. The true power consumed in a.c. circuit is ____________.

विकल्प

• 200 V

• 600 V

• 800 V

• 400 V

Answer 1

In series LCR circuit, resistance is 18 `Omega` and impedance is 33 `Omega`. An r.m.s. voltage of 220 V is applied across the circuit. The true power consumed in a.c. circuit is 800 V.

Explanation:

`"I" = "V"/"Z" = 220/33 = 20/3  "A"`

`"P" = "I"^2"R" = (20/3)^2 xx 18`

`= 800  "W"`