1.

L,C and R represent the physical quantities inductance, capacitance and resistance respectively. Which of the following combinations have dimensions of frequency?A. `(1)/(RC)`B. `(R )/(L)`C. `(1)/(sqrt(LC))`D. `(C )/(L)`

Answer» Correct Answer - A::B::C
(a) `(1)/(RC) = (1)/(R (Q//V)) = (V//R)/(Q) = (I)/(Q) = (I)/(It) = s^(-1)`
(b) `(R )/(L) = (Omega)/(Omega s) = s^(-1)`
(c ) `(1)/(sqrt(LC)) = (1)/(sqrt((L//R)(RC))) = (1)/(sqrt(s.s)) = s^(-1)`


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