SSC JE Electrical Engineering 2012 Paper

Question : 132 of 200

Marks: +1, -0

The conditions at which the following potential divider is independent of frequency, may be

(i)

R_1/R_2=C_1/C_2

(ii)

R_1/R_2=C_2/C_1

(iii)

R_1C_1 << 1,R_2C_2 << 1

(iii)

R_1+R_2+1/C_1+1/C_2

Solution:

For independent of frequency time constants should be equal.
So

R_1C_1=R_2C_2

R_1/R_2=C_2/C_1

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