Describe characteristics of body impedance as a function of frequency while measuring by two electrodes.
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- What will happen to the value of the impedance if the resistance will be increased or decreased? Explain...The Subject is Basic Electrical Engineering Chapter 15. Conductance, Susceptance and Admittance of AC Circuit.We want to investigate how the field strength will be with air as dielectric and with steatite. A plate capacitor is placed in a 24 kV network between phase and ground. The relative permittivity of air is &=1 and for steatite &-6. The plate capacitor has area = 1m². The distance between the electrodes is 2 mm. Ep = 8.854-10-12 F/m A=1m² d=2mm a) Calculate the maximum field strength in the plate capacitor. (Answer: 9.8kV/mm) b) What is the capacitance of the capacitor if we use steatite? (Answer: C = 26.6nF)
- 14 The ac bridge of Figure 48 nulls with R₁ = 1 kN, R₂ = 2 kn, R3 = 100 2, and L3 = 250 mH. a. Find the values of R, and L₁. b. If the circuit is excited by a 5-V rms, 1-kHz oscillator, find the offset voltage for L₁ = 510 mH. c. What are the amplitudes of the in-phase and quadrature (90°) components of the offset voltage? FIGURE 48 ac bridge for Problem 14. Ro DExplain in detail about voltage harmonics ?Briefly in your own understanding explain attenuation in electrical engineering.
- Compute for the amount of voltage across capacitor #5? Select one: a.7.2 volts b.4.8 volts c.5.65 volts d.6.36 voltsL The thermoelectric effect is the direct conversion of tomperature differences to electric voitage and vice versa oloctric voltage to temperature differenc ii. The Seebeck offect is the build up of an electric potential across a temperature grodient. L. Tho Poltior offoct is tha prosonco of temmperaturo difforoncos at an oloctrifiod junction of two difforont conductors. Which of the definitions given abovo are correct about thermal properties of matorials?A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the source voltage and the current through the circuit? a. Insufficient information is given. b. The source voltage will lag the current. c. The source voltage will lead the current. d. The source voltage will be in-phase with the current.