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For attenuation of high frequencies we can use ________

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For attenuation of high frequencies we can use ________

(a) inductor

(b) shunt capacitance

(c) series capacitance

(d) combination of inductor and resistor

The question was asked in a national level competition.

Question is taken from AM Wave Representation topic in chapter Amplitude Modulation of Analog Communications

1 Answer

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Best answer
Correct answer is (b) shunt capacitance

Best explanation: Capacitive reactance, Xc is low for high frequencies as Xc=(1/wC), where w is the frequency and C is the capacitance. Due to this,  the high frequencies are shunted to ground and are not transmitted.

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