When a load is applied to a three-phase squirrel cage induction motor, the rotor speed will decrease slightly increase slightly increase proportionally to the full-load speed fluctuate, then return to synchronous speed

Q: Determine the effective value for the waveform shown صفر

A:

Q: A sheet of charge , ρs = 2nC/m2 is present at the plane x =3 infree space, and a line charge , ρL =…

A:

Q: Find i, in the circuit in Fig. P5.3 if the op amp is ideal Figure P5.3 0.5 mA nobi ribos Va + Change…

A:

Q: Voltage != 5v Voltage 2: V Resistor 1 = 47-2 Resistor 2: 68 Resistor 3 = 39 Current 1 = ? Current 2…

A: Given data, V1=5 V, V2=7 VR1=47 Ω, R2=68 Ω, R3=39 Ω

Q: d) Describe the construction, principle of operation and application of i) Rod gaps ii) Expulsion…

A: Given types of arresters: Rod gaps Expulsion gap Valve type lightning arrester

Q: 3. Charge lies on the circular disk r ≤ 4 m, and z = 0 m with surface density G₁ = 10-4/r C/m².…

A: Given data, Surface charge density σ=10-4r C/m2

Q: Working , principle of sf6 circuit breaker

A:

Q: 100 V 10 2 www 000 (0-02 H 552

A:

Q: - What is the difference between IPS and a firewall?

A: 1. Actions such as Traffic Filtering and Blocking is performed by Firewall. 2. IPS Prevents the…

Q: Vamp R Vout Figure 2: RLC circuit in a speaker system. The circuit has an input AC voltage with…

A:

Q: 2.8. Determine and sketch the convolution of the following two signals: t+1, 0≤t≤1 2-t, 1<t≤ 2, 0,…

A: Given data, x(t) = t+1, 0≤t≤12-t, 1&lt;t≤2  0    , elsewhereh(t) = δ(t+2)+2δ(t+1)

Q: Q3 (a) Describe the rules how to construct (draw) the root locus if the angle of asymptote are +60°…

A:

Q: Fig. 1 For the system shown in Figure 2 find using the Routh - Hurwitz criterion the range of values…

A:

Q: 1) The message signal m(t) as shown in the figure is phase modulated to generate the PM signal (t) =…

A: The instantaneous angular frequency will be obtained by differentiating the instantaneous phase as:…

Q: v(t) ► 10 0 -10 1 2 3 4 t (ms) FIND THE EFFECTIVE VALUE 31

A:

Q: Solve using nodal analysis and mesh analysis

A: It is given that:

Q: A star connected 3 phase, 12 MVA, 11 kV alternator has a phase reactance of 10 %. It is protected by…

A:

Q: A 25 kVA, 13,800/240 V distribution transformer has full load efficiency of 97% at unity power…

A:

Q: List various kinds of faults that may occur in an alternator

A: There are two types of faults occuring in an alternator. These are A) Internal faults  B) External…

Q: Fig. 39.18 shows the circuit of a negative voltage feedback amplifier. What is the feedback fraction…

A: Given a negative voltage feedback circuit, R1=2 kΩR2=98 kΩ

Q: ww R₁ 1.0kQ R₁ 3.0kQ ww R. 1.5kQ

A: Calculate I1, I2 , I3 and V1, V2 and V3  for the given circuit?

Q: Explain the idea of turning on and off the nuclear reactor of the power station.

A: In a nuclear reactor, energy is created and released by splitting atoms of specific elements. The…

Q: 8-32. For copper waveguide walls (o = 58 MS/m), evaluate the wall-loss attenuation factor for the…

A: Attenuation : Attenuation means a loss in power signal due to disturbance, the waveform at output…

Q: For the circuit shown, find the voltage drop in each resistance using Kirchhoff's Law 1092 150 5V +…

A:

Q: The effect of rain attenuation is said to be minimized when horizontal polarization is used. Select…

A: Please find your answer below in Step 2

Q: ider an npn transistor with VBE = 0.7 V at iċ = 1 mA. Find VBE at ic = 0.1 mA and 10 n

A:

Q: Determine the rms value of the unit sawtooth wave of period T.

A: The RMS value is Root Mean Square value. It is defined as " the amount of AC power that produces the…

Q: Find the total impedance at the point X and Y in the circuit shown Given: jՅԶ տ Ռ – 1.5 2 -j 2 2 : -…

A:

Q: A- Calculate the excitation field current of the synchronous turbo generato needed to get a Vrated…

A: Short Circuit Ratio: SCR or Short circuit Ratio is defined as the field current necessary to…

Q: If A = 1001 1001 0000 0010, show the result of the arithmetic shift right operation in hex

A: Given, binary number is A = 1001 1001 0000 0010, The arithmetic shift right operation in hex= ?

Q: AC has replaced DC as the main source of electricity mainly because AC is required to run induction…

A: There are two main sources of electricity namely AC and DC. In domestic applications AC is used.

Q: 24 Lov 22 W Ejzn 1.97 21, tılım m 42

A:

Q: 1. Find and draw the Fourier Transform of the signal shown if figure below: f(t) -T coswot T

A: 1) To find and draw the Fourier transform of the signal f(t) = cos(wot)

Q: 16.a. Receptacle outlets shall be installed so that no point along the floor line in any wall space…

A: Answer 16 (a):   According to article 210.52(A) General Provisions, Receptacle outlets must be…

Q: b. Given a signal: x[n] = {-2 -3 1 0 2 5 0 7 -2 1} i. Perform time-reversing. Then, delay the…

A: Properties of sequence  Time revesal  Amplitude reversal Left shifting  Right shifting  Upsampling…

Q: What are the characteristics of an ideal operational amplifier?

A: The solution is provided in the following section.

Q: Fill in the blanks The short circuit test of a transformer gives information of _______?

A: The short circuit test of a transformer gives information of full load copper losses. In short…

Q: 33. For the circuit of Figure 5.72, determine the Thévenin and Norton equivalents that drive the 600…

A: In this question,  We need to determine the Thevenin equivalent and Norton equivalent across the…

Q: 5.: Explain how the system can be protected against lightening over voltage?

A: Solution- Methods of protection against lightining- 1. Earthing screen 2. Overhead earth wire 3.…

Q: In general terms we can consider that the real propagation of electromagnetic waves is rectilinear.…

A: The oscillations between an electric field and a magnetic field produce waves known as…

Q: Three charged particles are placed on the corners of an equilateral triangle of side 1.20 cm. The…

A: It is given that: d=1.20 cmQ1=+4μCQ2=-8μCQ3=-6μC

Q: The self inductance of two coils are 4mH and 9mH respectively. If the coefficient of coupling is…

A: Given data, Self inductance of two coils, L1=4 mHL2=9 mH Coefficient of coupling, k=0.5

Q: Explain differential current and voltage differential scheme of bus bar protection

A: Differential current bus bar protection Voltage differential bus bar protection

Q: what are your expectations on this subject Logic Circuit and DESIGN (Digital Electonics) What could…

A: Types of digital circuit  Combinational circuit (output depends on present state input) Sequential…

Q: Design a counter which simultaneously satisfies all of the following requirements: • Have no input •…

A: We need to design a counter circuit for the given state diagram :…

Q: z₁ www www Where: Z₁ = 20 Z₂ = 30 Z3 = 40 ww 24 u mor ww 26 Z M mor weeee Mw 57 Z₁ = 1+j5 2 Z5 =…

A:

Q: Figure 5 shows a self-bias n-channel JFET amplifier construction while Table 1 listed all the…

A: The required parameters can be calculated by using the DC and AC analysis of the amplifier circuit.…

Q: QUESTION 7 In the circuit shown below, the total impedance (ZT) is: 1922 + V₁ - 10/90 V ZT O…

A: Given,

Q: A platinum RTD PT100 measures 103.8 Q at 0 °C and 139.1 Q at 100 °C. Calculate the Temperature…

A: Given data : The resistance at 0° R0=103.8Ω The resistance at 100° R100=139.1Ω

Q: Problem 15. A source of e.m.f. of 15 V supplies a current of 2A for six minutes. How much energy is…

A: In this question we will find energy provided by source ...

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.