Question

5). The current in resonance in pol
parallel L-C circuit will be​

Answer 1

Answer:

Parallel Resonance and Parallel RLC Resonant Circuit

Resonance occurs in a parallel RLC circuit when the total circuit current is “in-phase” with the supply voltage as the two reactive components cancel each other out. At resonance the admittance of the circuit is at its minimum and is equal to the conductance of the circuit.

Explanation:

Hope it helps you dear friend.

Answer 2

Explanation:

In LC parallel resonant circuit, the impedance is given by

Z=

X

C

−X

L

(X

C

)(X

L

)

In LC parallel resonant circuit, at the resonant frequency we have,

X

C

=X

L

∴Z=∞

Also, For pure resistor, Z = R

Hence,

In LC parallel resonant circuit, the impedance is near to infinity or very high. Since, the impedance(resistance) is maximum, the current is negligible or zero it circulates back and forth between components without involving the source.

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