What is the thermal voltage equal to at T 400K? 25mV 25.9mV 34.5mV 40.2mV

Q: For the given circuit for a 20 V peak sinusoidal input Vi, what is the value of Vi at which the…

A: During positive half cycle the diode will be off and output will be zero there is no clipping in the…

Q: A 3-phase, 440-V, 50-Hz motor delivers an output power of 40 kW. The efficiency and power factor of…

A: Capacitor banks are used to improve the Power factor of the circuit. Capacitors' banks can be…

Q: A 3 kV, 8 pole, 50 Hz, 3-phase induction motor has a slip ring rotor of resistance 0.12 ohm and…

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Q: A d.c. shunt generator, runs at 1200 r.p.m. When the machine is driven at rated speed, the no-load…

A: In this question we need to find a emf generated voltage when machine is driven at 1050 RPM

Q: A DC series motor is operated at full load from a 250V supply. The counter emf is found to be 220V…

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Q: For P pole machine, the relation between electrical degrees and mechanical degrees is Oelec =2/P x…

A: Need to find correct answer

Q: Check all the correct statements on AC machines (induction and synchronous) below. O The current…

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Q: In an armature winding of d.c machine, the conductors are connected in Series O parallel O…

A: Armature winding of DC machine: There are two ways of armature winding of DC machine: A) Wave…

Q: An 8-pole Lap wound dc shunt generator is supplying 295 A to load. The field current of generator is…

A: The solution can be achieved as follows.

Q: For the circuit shown in the figure below, consider the diode as an ideal diode & R.M.S value of…

A: Let us consider the diode to be ideal and analyse the circuit in two halves both positive and…

Q: A 220V shunt motor develops a torque of 13 armature current of 25A. The torque develo armature…

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Q: shunt generator running at 1000 rpm, if flux is reduced by half, then what is the new speed 1500…

A: The solution can be achieved as follows.

Q: An ideal transformer has a turns ratio of 8:1, and the primary current is 3 A when supplied at 240…

A: Turn ratio = 8:1 Primary current = 3 A Voltage = 240 V

Q: Given the potential field V=2x?y-5z. Find: a) Electric field intensity E, at the point P (-4,3,6) b)…

A: Relationship between Electric field intensity and potential at a point: Where, E is the electric…

Q: A rectangular busbar has a cross section of 0.5 inch by 1.75 inch and is 25 ft long. What is the…

A: The resistance of the conductor, R=Rref(1+α(T-Tref))…

Q: What is the value of the current source Ix ? 10 Ω + 10 Ω 5Ω 15 V А. ЗА В. 4.5 А C. 7.5 A D 25 A

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Q: Mechanical Characteristics Next, we will apply Newton's law to write the differential equations that…

A: The above question is based on the mechanical model of a DC motor.

Q: Q6: For the circuit shown The (RT) will be 20 Ω 8Ω ww Vx 18 Ω 20 Ω ΙΩ 2Ω O 120 O 110 O 160 V=33 v

A: To find the total resistance across  the target terminals, it is important to simplify the circuit…

Q: Shunt generator running at 2000 rpm, if flux is reduced by half, then what is the new speed * 1000…

A: Let us find the new speed using the emf equation used in the case of dc generator.

Q: Choice the correct answer

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Q: Vo(S) then using inverse Laplace transform find Vo(t). Suppose there is no energy stored in the…

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Q: For the admittance locus diagram shown below: find the value of each element in the circuit if w=377…

A: For branch 1  θ = tan-1XcRθ = 60∘XcR = -3we know that AB =BCSo, XL = Rand we have OD = ADtan…

Q: A circular ring with uniform charge density of PL=10 nC/m with radius 2m lies in the z=O with center…

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Q: In a series RLC circuit that is operating above the resonant frequency, the current O Leads the…

A: Inductive reactance = WL where W is the frequency in rad/ sec capacitive reactance = 1WC At resonant…

Q: if the rate of decreasing volume charge density equals to, 4*10^6 C/m^3*s, what is the total current…

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Q: a) Sketch and find the phase relationship between the following waveforms: V = 0.2 sin (wt -60°) /=…

A: (a)                    V=0.2sin(wt-60°)VI=5sin(wt-20°)A=5∠-20°In phasor form:V=0.2∠-60°VI=5∠-20°A…

Q: Uniform line charge density of 5 nC/m is at y-0, z-2m in free-space while-5 nC/m is located at y 0,…

A: Given the Uniform line charge density at different different location.  Find the electric field at…

Q: If dc generator of a simple two layers progressive wave winding has 21 number of slot and four…

A: Given the total number of slots is S=21  The number of poles is 4 The front pith formula for the…

Q: The . used to reduce the variation of the output voltage for a rectifier. Resistor Inductor Diode O…

A: The variation in the output voltage of a rectifier is called as ripple voltage To minimise the…

Q: Design an active 1st order BP filter with a gain of 20 dB between 200 and 2,000 Hz. Use 25nF…

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Q: For a sinusoidal input of 20 V peak to the given circuit, what is the peak value of the output…

A: What is value of output in positive half cycle.  This circuit have si based diode.  Forward bias…

Q: A non-sinusoidal current source (iT=2+1.5sin1000t+ 1cos3000t-0.5sin4000t) A is applied to the…

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Q: In a certain conducting region, H = yz(x? + y³)a, – y°xza, + 4x³y²a, A/m %3D (a) Determine J at (5,…

A: Solution-  (a) J at (5, 2, -3), Given,H=yz(x2+y2)ax-y2xzay+4x2y2az  A/m(a) We know that,∇ * H=JJ=…

Q: A=3 , The result of 7 -segment = %3D all flag =1 except e, f =0 all flag =0 except e, f =1 O all…

A: A= 3 means 7 segment should display 3  To display 3 abcdg segment of LED should glow (ie logic 1)and…

Q: ketch the output waveform of the given circuit, assuming that the pltage of the battery is 1V and…

A: Given that circuit   Vi=10V VBB=1v