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Chapter 1 Solutions
MATLAB: An Introduction with Applications
- If the maximum value of an alternating voltage with a frequency of 35 Hz is 100 V, write the equation for this voltage. A u= 70,7.Sin2,198t B u= 63,6.Sin35t C u= 63,6.Sin35t D u= 100.Sin219,8t E u= 63,6.Sin35tarrow_forwardSegments of two sinusoids are shown in the plot below. Determine the phase difference between the two waveforms. Amplitude 0 2 -2 -4 0 180° 90 ° Oo° 0.5 Time (seconds) 1 1arrow_forwardWhat is the complex expression for a given alternating current i = 250 sin(wt-25 deg)? a. 227 + j106 b. 160 - j75 c. 227 - j106 d. 160 + j75arrow_forward
- The equation for an alternating current i of frequency 50 Hz and RMS value 70.7 A is given by i = 100√2 sin 314t i = 200 sin 628t i = 50 sin 314t ✓i= 100 sin 314tarrow_forwardCalculate the frequency a 15 V sinusoidal source should be set to so that a 800 mH inductor connected across it has an inductive reactance of 1350 Q. Answer: HzO kHzO MHzarrow_forwardThe average value of a sinusoidal current is 300A. What is it’s rms value? Group of answer choices 444 A 202 A 333 A 101Aarrow_forward
- Question 17 If I average a positive half-cycle sinusoidal current, what value will I get? zero O to infinity and beyond O positive infinity o negative infinityarrow_forward2. A series RL circuit has voltage and current equations of e = 141.42 sin 2n30t + 141.42 sin 2n90t volts and i = 9.8 sin (2n30t - 30°) + 5.66 sin (2n90t - 60°) amperes. Determine the inductance L. A. 92.5 mH B. 38.3 mH C. 27.22 mH D. 83.49 mHarrow_forwardx (23) WhatsApp x4 Meet-hpd-sdbt-gho web.wl jil O Google bilp YouTube Gmal M Cou Harmonics generated due to the presence of switching power electronic devices are called Answer: An induction machine IS supplied t prase input yoltage of 22 and input current 204-14. The per phasearrow_forward
- 10- Using trapezium's Rule with n = 4 subintervals approximate the area under the sine curve %3D f (x) = sinx between x = 0 and x = n. 11- Using trapezium's Rule with n = 4 subintervals approximate the area under the inverse cosine curve f (x) = arccosx between x = -1 and x %3D %3Darrow_forwardIn a series ac circuit operating at 60-Hz ac source has a voltage amplitude of 120 V, the capacitive reactance is 60092, the inductive reactance is 300 2, and the resistance is 300 2. What is the capacitance C of the capacitor? 60 Hz с real L 3.6 microfarad 7.9 microfarad 4.4 microfarad 60.5 microfarad O 2.7 microfarad Rarrow_forward"What is the magnitude of the capacitive reactance XC at a frequency of 2 MHz, if C is 2 nF?" O 0025 ohms O 10 ohms O 0.0039 ohms O 39 79 ohmsarrow_forward
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