Task 1 The damping time of the voltmeter is determined by the equation: |t₂=/m²/2, In ωβ where: @=(3,2±0,06) paò-c-1; p=0,60±0,05; λ=0,050±0,005. Write down the formula and calculate the total absolute error of the indirect damping time measurement.
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- A first order instrument has the input F(t)=10sin(ω.t) . The static sensitivity is 2.5 output units per unit input. Time constant is 0.2 .Compute the phase angle and the maximum value of x(t) for ω=0.1 and 100 rad/sec.The signal-to-noise ratio in an FM system is 4:1. The maximum allowed deviation is 4 kHz. How much fre- quency deviation is introduced by the phase shift caused by the noise when the modulating frequency is 650 Hz? What is the real signal-to-noise ratio?The ability of the instrument to give same output for same input when the conditions are different is known as __________________ a. Repeatability b. Resolution c. Reproducibility d. Accuracy
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