Question
Download Solution PDFAn FM telemetry system uses a 370 Hz - 430 Hz voltage-controlled oscillator to carry the fuel level of 3000 I tank, where 370 Hz represents an empty tank and 430 Hz represents full tank. What level does 408 Hz represent?
This question was previously asked in
UPSC ESE Electronics & Communication 2022 Official Paper
Answer (Detailed Solution Below)
Option 1 : 1900 I
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ST 1: UPSC ESE (IES) Civil - Building Materials
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Detailed Solution
Download Solution PDFExplanation:
Δ f1 = 430 - 370 = 60 Hz. From empty tank to full tank
Δ f2 = 408 - 370 = 38 Hz] Empty tank at 408 Hz
408 Hz frequency denoted a fuel level which is given by \(38 \times \frac{{3000}}{{60}} = 1900L\)
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