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Consider the magnetic circuit of Figure with an air gap, while neglecting leakage flux. Correct for fringing by adding the length of the air gap lg = 0.1 mm to each of the other two dimensions of the core cross section AC = 2.5cm × 2.5cm. The mean length of the magnetic path in the core lC is given to be 10 cm. The core is made of 0.15- mm-thick laminations of M-19 material whose magnetization characteristic is given in Figure. Assume the stacking factor to be 0.9. Determine the current in the exciting winding, which has 100 turns and produces a core flux of 0.625 mWb.
Determine the Dielectric constant of slab: An air capacitor contains two parallel plates 10 cm 2 in area and 0.5 cm apart. While a dielectric slab of area 10 cm2 and thicknes
Q. Determine the open-circuit output voltage v o of the system shown in Figure as a function of the input voltage v i .
Illustrate the construction and working of:- (i) Pressure Thermometer (ii) Selective Radiation Pyrometer (iii) Thermistor (iv) Laws of Thermocouple
(a) Some antennas have a physical aperture area A that can be identified and is related to the effective area A e by A e = ρ a A, where ρ a is known as the aperture efficiency.
Q. On a per-phase basis, let v = √2 V cos ωt and i = √2 I cos (ωt - θ). (a) Express the instantaneous power s(t) in terms of real power P and reactive power Q. (b) Now consid
Submit a brief report on the selection of two commercially available sensors for the following: • Research and recommend a sensor for a real full size conveyor system of approxima
Determine i L (t) and v C (t) for t> 0 in the circuit given in Figure.
Q. Justify disadvantages and advantages of packet switching over circuit switching? Ans: Comparison of circuit switching and packet switching showing disadvantages and advan
Q. What is Enhancement MOSFETS? Figure illustrates the cross-sectional structure of an n-channel enhancement MOSFET and its symbol showing as a normally off device when used fo
In a CDMA system, the signal is spread over a large bandwidth by multiplying the transmitted symbol by a sequence of short pulses, also called chips. The
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