Answer:
0.08 w
Explanation:
AVERAGE POWER : Average power is defined as the average work per unit time. average power is denoted by P its depend on the voltage current and power factor.
the expression for the average power is given as
P=[tex]V_r[/tex][tex]I_r[/tex] cosΦ
We have given maximum voltage =8 volt
[tex]V_r[/tex]=[tex]\frac{8}{1.414}[/tex]
power factor =.25
resistance =25Ω
power factor =[tex]\frac{R}{Z}[/tex]
power factor=[tex]\frac{25}{Z}[/tex]
From here Z=100
P=[tex]\frac{8}{1.414}[/tex] ×[tex]\frac{v_r}{Z}[/tex] ×cosΦ
=5.6577×0.05677×0.25
=0.08w