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Step 1 of 2 1.024E Refer to Figure E1.24 in the textbook. Write the expression for voltage = Rᵢ Rᵢ = The 3 dB frequency is, 1 Step 2 of 2 The 3 dB frequency is not higher than 100 Hz. Therefore, Substitute 1 kΩ for and 9 kΩ for 1 1 Thus, the smallest value of the capacitance C is, =0.16 Therefore, the smallest value of the capacitance, C is 0.16