Question

if L,C and T represent physical quantity, inductance, capacitance and resistance respectively, then the combinations which do not have the dimensions of frequency is
1)1/RC 2)R/L 3)1/rootRC 4)C/L​

Answer 1

Answer:

For RC circuits, time constant is,

τ=RC has unit of time,

so,

RC

1

has a unit of frequency,

similary for LC oscillations,

τ=

LC

for RL circuit, τ=

R

L

so,

RC

1

,

L

R

and

LC

1

has units of frequency.

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