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A voltage V(PQ)=V(0) cos omega t, where ...

A voltage `V_(PQ)=V_(0) cos omega t`, where` V_(0)` is a real amplitude, is applied between the points P and Q in the network shown in figure.

Given that
`C=(1)/(omega R sqrt(3))`
and
`L=(Rsqrt(3))/(omega)`
Calculate the total impedance between P and Q.

Text Solution

Verified by Experts

(i) 3R
(iii) (a) `V_("AX")` is in same phase as `V_("AB")`
(b) Phase angle between `V_("YX") and V_(AB)=-120^(@)`
(c) Phase angle between `V_(ZX) and V_(AB)=120^(@)`
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Knowledge Check

  • An ac source of voltage V=V_(m)sin omega t is connected across the resistance R as shown in figure. The phase relation between current and voltage for this circuit is

    A
    both are in phase
    B
    both are out of phase by `90^(@)`
    C
    both are out of phase by `120^(@)`
    D
    both are out of phase by `180^(@)`

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