# A series AC circuit containing an inductor (20 mH), a capacitor (120  and resistor (60 ) is driven by an AC source of 24V/50Hz.  The energy dissipated in the circuit in 60 s is: a. 2.26x103 J b. 3.39x103J c. 5.65x102J d. 5.17x102J

## Question ID - 50147 :- A series AC circuit containing an inductor (20 mH), a capacitor (120  and resistor (60 ) is driven by an AC source of 24V/50Hz.  The energy dissipated in the circuit in 60 s is: a. 2.26x103 J b. 3.39x103J c. 5.65x102J d. 5.17x102J

3537

R=60    f=50Hz,

Xc = =

Xc=26.52

XL= =100

Xc=XL=20.24

=

z = 20

cos =

Pavg =VI Cos   I=

=  Cos

=8.64  watt

Q = P.t = 8.64

Next Question :
 The dimensions of the field shown in the given figure are AC = 150 m, AH = 120 m, AG = 80 m, AF = 50 m, EF = 30 m, GB = 50 m, HD = 20 m. The area of this field is (a) 6500 cm2 (b) 6550 cm2 (c) 6600 cm2 (d) 6650 cm2