7 Multiple Choice 10 points The shaft torque of a dc motor is less than its armature torque because of Copper losses Mechanical losses Back emf Rotational losses
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Q: 5. (5 points) A CT signal a(t) is given as follows z(t) = 36(t – 0.5)+eu(t+0.5) Derive a closed-form…
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A: Step 1:Step 2:For both cases, trend of signal will be different.When c = 0.5, for part a output will…
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Q: 2) Construct a block diagram for finding the result of the following addition labeling each input…
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Q: Find v(t) for t> 0 in the circuit in Fig. 16.50. t=0 4.5 A 10 Ω www 1H m <+ v=4F 502 www 6u(t) A
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Q: 2.54. Consider an integrator whose input x(t) and output y(t) are related by y(t) = '_x(T) dT (a)…
A: Given : y(t)=∫−∞tx(τ)dτ a ans: b ans: Thanl you References: Key ConceptsImpulse Response: The…
Q: 2) Determine the unknown resistor R3 and R4 when R3 + N 1000 5000 + 20Ω = R4 30V | = 20mA 100Ω + +…
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Q: Solve for current I1 and I2 using Thevenin theorem also find thevenin equivalent circuit
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Q: For the following circuit, can you please walk me through these questions:1. The propagation delay…
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Q: 15-1 R1 HH 0 L R2 E = 10 volts, R1 = 4.7 k, R2 = 10 k, C = .1 μF and L = 1 mH. Find VR1, VR2, VC, VL
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A: The Thevenin resistance (Rth) is the equivalent resistance of the entire network, seen from the…
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Q: The voltage source in the following figure (Fig. 11.44b) has the frequency limits shown. Calculate…
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Q: Compute the physical addresses for the following instructions using: DS=2000H, SS-3000H, BX,0710H,…
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Q: perform this simulation and summarize findings on Faraday's Law Faraday's Law (colorado.edu)
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Q: 1) Determine the spectrum of the signals by using Fourier Series: a) x[n] = cos√√2лn b) x[n] =…
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Q: Use Routh-Hurwitz criterion to determine the stability of a system with characteristic equation of…
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Q: 3. Obtain the y parameters for the T network shown in Fig.3 692 1842 ww www Answer: -30.3 mS, y22 =…
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A: Detailed explanation: First Law:-(x+y+z) = -x⋅-y⋅-zThis is true, as the values of -(x+y+z) and…
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Q: In a 220 V compound generator, the resistances of the armature, shunt and series windings are 0.09…
A: First, we need to calculate the shunt field current. The shunt field current (Ish) can be calculated…
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A: When the switch is first closed, the inductor behaves like an open circuit. This is because an…
Q: A rectangular coil of 50 turns with sides of 6 cm and 8 cm, carries a current of 1.75 A in the…
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Q: For the circuit shown below, determine the equivalent current source in Amps where V=22 V and R-591…
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Q: Find the gain |H (jw)| and the phase shift ZH(jw) of a system with the following transfer function…
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Q: I need a detailed expiration of the steps -jwo ⇒ X(z) = 1½ ½ e² h=3 (n-1) (ae)" + eb (n-1) (ae…
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Q: which lamp has the highest lumens per watt
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A: Let's break this down systematically:We have two points:Point 1: (a, -A)Point 2: (b, 0)When finding…
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Q: H.w:for the circuit shown determine the feedback topology and determine Avf, Rif, Rof 3K 300 R Vo…
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Q: 2. Find the voltages V₁, V3, Vab and current I, for the circuit Figure 2 E₁6V + R3 www 60 + V3 - R₁…
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Q: 8) Using Superposition find the voltage across the 3kQ Resistor in the circuit. 10mA 4ΚΩ 5000 5000…
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Q: Problem 2 The noise voltage in an electric circuit is modeled as a Gaussian random variable X with a…
A: Given information:μ (mean) = 0σ2 (variance) = 10-8 (0.00000001)X = Gaussian random variable for the…
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A: (a) Express v(t) mathematicallyThe given waveform is a triangular function. We can express v(t) as…
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Q: 4.2 Convert-222°F into °C, °R, and K.
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Q: Can you help me set up my breadboard so I can ... Measure the values of base current, _________,…
A: Step 1: For R1: you can put one leg to positive (+) and the other leg to J2. Step 2: For R2: you can…
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A: First, we need to understand the problem. We are given a Cauer Ladder network with two resistors (R1…
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- 1. The operation of Commutator in DC Motor is * O a) to convert dc to ac O b) to convert ac to dc O c) to convert fixed dc to variable dc O reverse the current direction in the rotating windings each half turnThe voltage induced by a 6-pole DC generator running at 600 [RPM] with 100 slots on the armature and each armature coil has 4 turns with a flux per pole of 0.01 [Wb] isIn a DC generator, the effect of armature reaction on the main field is to * reverse it O distort it O reduce it O both (b) and (c)
- A 250-V, 4-pole, wave-wound DC series motor has 782 conductors on its armature. It has armature, diverter and series field resistance of 0.15 ohm, 0.02 and 0.05 respectively. The motor takes a current of 40 A. Estimate its speed if it has a flux per pole of 25 mWb.6. The motion in DC motor can be increased by the following factors... (you may choose more than one) * a) Using a stronger magnet b) Increasing the potential difference c) Increasing the current d) Increasing the number of turns on the coilTrue or fulse
- A 120 V shunt generator running at 850 rpm has its armature and shunt field resistance of 0.15 ohm and 50 ohm respectively. It supplies 200 lamps each rated at 60 W, 100 V. The friction and windage and core loss of the machine is 400 W. its armature copper * loss on full load and shunt field loss is 2156.7 W, 240 W 2232.6 W, 240 W O 2232.6 W, 200 W 2156.7 W, 200 W OA lap-winding DC machine has 24 coils, 18 turns per coil, and 4 poles. The average flux density per pole is 1T. The effective length is 40 cm and the armature radius is 10 cm. The armature velocity is 140.2 rad/sec and the armature current is 24 A. The average flux per pole in Wb is: 6.283 0.06283 O 0.6283 0.006283A 230 V dc series motor has an armature resistance of 0.2 ohm and field resistance of 0.1 ohm at rated voltage. The motor draws a line current of 40 amperes and runs at a speed of 1000 rpm. Find speed of the motor for line current of 20 A at 230 V. Assume that flux at 20 A line current is 60% of flux at 40 A line current.
- the magnetic strengh of the field poles on a perment magnet DC motor cannot be varied a- true b- falseHere it is the equivalent circuit of and induction motor and it is per phase circuit my question is name for me the variable for example R1 is the winding resistance and so an the all variable and please show me a pic of the real machine with the variable for example for R1 happens because of the winding i need to see the winding in the real machine, please help me to understand wellA dc shunt generator delivers 50 kw at 250 v, its armature has a 4-pole wave winding with a resistance of 0.01 ohm and its field resistance is 125 ohm. if the number of turns in the armature is 201 and the flux per pole is 0.02 wb, find the voltage generated and the speed of operation. *