Example 6.31. A 3-phase, 1455 rpm induction motor drives a load requiring constant torque. In case supply voltage drops to 90%, find what happens to motor speed and losses. Take linear torque-slip characteristic over the working range.

Q: A pattern detector which gives 1 at its 1-bit output when the last four values of its 1-bit input…

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Q: A system that is excited by a unit step input gives the following response, c(t) = 12e-t + 4e-3t…

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Q: ) A satellite in geostationary orbit at (36000 km) has a (4 GHz) downlink transmitter which feeds…

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Q: A substation rated 1250 kVA is operating at full-load at 0.8 pf lagging and to carry an addition…

A: A substation is a place included in the electrical power generation system where electrical voltage…

Q: An L-R-C series circuit has L = 0.800 H, C = 5.00 μF, and R = 340.0 2. At t = 0 the current is zero…

A: It is given that: L=0.8HC=5μFR=340Ωq0-=2.80×10-4C

Q: Q2:- a synchronous generator is 25 MVA, 11kV, it is star- connected with the neutral point solidly…

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Q: Electrical Engineering 6. Gyroscopes used for vehicle stability are different from those used for…

A: Solution of first question: It is asked to tell which sensor parameters are different when…

Q: What is the maximum current-carrying capacity of a wire or cable? A. Overcurrent B. Energy C.…

A: The objective is to determine the correct term for the maximum current capacity.

Q: 1. Find is in the circuit of Figure 1 using source transformation. SV 6Ω 5 A 3Ω ΤΑ ΖΩ Figure 1 www…

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Q: The starting torque of a 25-hp 720-rpm synchronous motor is 150 per cent of its rated torque.…

A: Rated torque is the ratio of output power to synchronous speed in rad/s Unit of Torque is Nm 1 Nm  =…

Q: design a controlled  single phase rectifier

A: Controlled single phase rectifier.

Q: Figure 3.1 shows an RLC circuit at t> 0 s. Assume a current source of 5A is applied to the circuit.…

A: A parallel RLC circuit for t>0 sec is given in the question. Given information, The source…

Q: Wider pulses leads to narrowband radiation True False O

A: We need to tell about whether the given statement is true or false

Q: he value of 1₁ and 1₂? E,= 10V 201 R 40 60 80 E₂40 V 60°

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Q: For the transistor in the circuit shown, what minimum value of Ib is required to saturate the…

A: In this question,  We need to determine the minimum value of base current is required to saturate…

Q: Find the total energy stored in the circuit of Figure below 60 L₁ = 2mH 302 = 4 mH m www C₁ = 20 µF…

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Q: Let x(t) = 5 cos (50t+ sin 5t). Its instantaneous frequency (in rad/sec) at t=0 has the value? (a) 5…

A: Given signal equation, xt=5 cos50t+sin 5t

Q: Calculate the voltage across the capacitor v(t) and current through the inductor i(t) fo t>0 for the…

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Q: Use the voltage-division principle to find the voltages labeled in Figure 2.14. R-Sa www R₂-100…

A: Given, The circuit is,

Q: Q3. For the system shown in Figure 3, find , .. percent overshoot, peak time, and settling time.…

A: The system block diagram is shown below,

Q: The current enters to the positive terminal of a device is i(t) = et amps, and the voltage across…

A: Given, Current, it=e-4t A Voltage, vt=3didt               vt=3ddte-4t=-12e-4t V Time, t = 0 to 2 sec

Q: Determine the true power and reactive power of the circuit shown. rms 2V |f=2 kHz с 0.01 μF

A: Given: The voltage source of 2 V The frequency of 2 kHz The capacitance of 0.01 uF

Q: H.W. a. Find the current ic for the circuit in Fig. 12. b. Sketch the vc and ic curves and phasor…

A: We need to find out the current for given circuit

Q: The shaft torque of a diesel motor driving a 100V dc shunt-wound generator is 25Nm. The armature…

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Q: (b) Find V across the load in the AC circuit given in Figure 4.1 (assume that both AC sources have…

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Q: = Two 1-ph transformers 6000/400V, the first 200kVA and the other is 350kVA when performing the…

A: TRANSFORMER : A transformer is a passive electrical device that transmits electrical energy from…

Q: 0 Sketch v, for the network Vi 20 V -20 V Vjo M 9122 Vz = 8 V + 0.22 ΚΩ

A: We need to find out the output voltage for given circuit

Q: Determine the values of i2, 14, V2, V3. and V6 in Fig.(2). 12 A 14 " JA Fig(2)

A: In this question we need to find unknown voltage and current shown in the circuit.

Q: Differentiate the poles and zeros on a first degree order system and on a second degree order system

A: Order of system: The order of the system is obtained from the closed loop transfer function. The…

Q: Determine the voltage gain for a NPN Emitter follower stage driven by a finite source impedance…

A: Brief description: In the above given question we need to calculate voltage gain expression of the…

Q: Write the appropriate term for the following questions A clipper or limiter circuit consists of a…

A: Since you have asked multiple questions in a single request, we will be answering only the first…

Q: sketh the output voltage for the following circuit Vsi=0-7 V=0.8 aka www A -30 Si Di Y. ,2;

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Q: Given a main metal bar (green) slides on another 2 metal bars (orange), all of them are put in a…

A: Given: The bars are placed in the uniform magnetic field. The velocity of the rod is V

Q: design a uncontrolled and controlled three phase rectifiers

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Q: During the short circuit test of a 25-kVA, 480/120 volt transformer, 17.85 V causes rated current in…

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Q: In Figure 3.3 shows the circuit diagram of a typical n-channel JFET common source amplifier. If ac…

A: The circuit parameter are given…

Q: Q4) Find an orthogonal set from the following set of signals by utilizing Gran-Schmidt…

A: Given  A series of signals and we need to find the orthogonal set using  Gram- Schmitt…

Q: Briefly explain the working of following power plants a) Thermal Power plant b) Hydel power plant

A: thermal power Plant coverts heat energy to electric power / Energy. The basic principle of these…

Q: Choose the values of RD, Rs, and R, for the JFET amplifier circuit of Fig. 3-11 that will result in…

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Q: Two 100-kW, single-phase transformers are connected in parallel both on the primary and secondary.…

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Q: Q3) Obtain frequency and impulse response of type III - correlative level coding scheme. Plot…

A: Given  We need to obtain frequency and impulse response of type 3 correlative coding scheme.we need…

Q: An impedance coil having a 0.2 lagging pf is connected in series with a 300 W lamp in order to…

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Q: Use the Laplace transform to find the i0  as shown in the figure if Vg(t)=25cos(10t) V.…

A: Power is the product of supply voltage and the supply current.

Q: Find the Inverse Laplace of F(s) = S+4 s²+8s+4

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Q: solve d - e -f

A: Note :- Student mentioned to solve sub-parts d-e-f.

Q: Two single-phase furnaces 1 and 2 are supplied at 80 V by means or a Scott connected transformer…

A: Scott-T Connection- The Scott-T Connection is the method of connecting two single phase transformer…

Q: Example 7.33. Two coils of inductances 4 and 6 henry are connected in parallel. If their mutual…

A: Given two coil inductance are connected in parallel, First Coil inductance, L1=4 H Second coil…

Q: The Synchronizing pulses are transmitted to keep the camera and the picture tube beams in step?…

A: In a monochrome television transmitter, the synchronizing pulses are transmitted to keep the camera…

Q: For the system shown in figure, the line impedances are as indicated in per unit on 100MVA base.…

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Q: The total voltage and amperage of four 0.5-A, 1.5-V cells connected in series are 5 V, 0.5 A O 6V,…

A: series connection of cells is given as

Code Conversion

The method or technique used to convert code from one format to another is termed code conversion. Code conversions are most commonly used in computers, digital electronics, microprocessors, etc.