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L,C and R represent the physical quantities inductance, capacitance and resistance respectively. Which of the following combinations have dimensions of frequency?A. `RL^(-1)`B. `R^(-1)L^(-1)`C. `L^(-1//2)C^(-1/2)`D. RCL |
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Answer» Correct Answer - A::C `fL=(1)/(dt) xx (V)/((di//dt))=(V)/(di)` `[fL]=[R] implies (L)/(R) = t` `RC=t` Multiply: `LC=t^(2)` `t=sqrt(LC) implies f= (1)/(t) = L^(-1//2)C^(-1//2)`. |
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