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Q: PRACTICE PROBLEM 2.5:For the bridge network in Figure below, find Rab and i. Answer: 40 2, 2.5 A.

A: The solution can be achieved as follows.

Q: There are different types of Special Purpose diodes, Select two type of special purpose diode, expla...

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Q: A balanced star-connected load of (8 + j6) N per phase is connected to a balanced 3-phase 400-V supp...

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Q: Displacement current is taken to be negligible (compared to the conduction current) if O o«wɛ O >>WE...

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Q: Practice Problem 8.3 If R = 10 0, L - 5 H, and C - 2 mF in Fig 8.8, find a, w. 51, and s2. What type...

A: The solution can be achieved as follows.

Q: Q/ A (10 KQ) resistor is made of two strips connected in parallel, each one has (40 µm) thick, and (...

A: Two germanium strips are connected in parallel to obtain a resistance of 10 kΩ.  The resistance of t...

Q: Medium characterized by, o=0,µ=2µo and €=5€o If E= -476.5cos(wt-3y) ax, then H is H=2 cos(wt-3y) ax ...

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Q: a non-directional pattern in a given plane, and a directional pattern in any orthogonal plane is .. ...

A: Omnidirectional antenna is an antenna, which has a non-directional pattern in a given plane, and a d...

Q: Eg Q.1/ Prove that: ni = NcNy e KT %3D Using Eg = Ec- Ev

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Q: 552 Q.4: For the circuit shown beside, the switch was in steady-state when it's open the circuit. Wh...

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Q: - EXAMPLE : Simplify the following Boolean expression using K-Map: Y = ABCD+AB CD +ĀBCD+ĀBCD+ĀBCD+ A...

A: To simplify the Boolean expression using k-map  Put all elements in the k -map  Then try to form the...

Q: Q2. Thermal power station contains three units, one 700kw and two units with 500kw for each one. The...

A: The solution can be achieved as follows.

Q: H.W. 1.2: Determine the current flowing at the instant of switching a 60 watt lamp on a 230 V supply...

A: The solution can be achieved as follows.

Q: The output of a sequential logic circuit is 1 if the last four bits of the two inputs (a and b) are ...

A: Given: There are two inputs a and b and the output y of a sequential logic circuit is 1 if the last ...

Q: Find the natural modes and the transfer function of a Butterworth filter with w, = 1|, Amax = 3 [dB]...

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Q: The input impedance is equal to the ... ,load impedance (Zin=ZL) when .... .... L=\/10 O none O L=/4...

A: Input impedance is given as 

Q: Find the electric Potential at Point (r=z) with respect to point (r=4), if the electric field is giv...

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Q: Simplify the logic diagram below. А Out A B

A: The solution can be achieved as follows.

Q: Example: A sample of pure Ge at 300K" has a density of charge carriers of (2.5x10"m ). It is doped w...

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Q: H.W 1: A 380 V, 60 Hz, Star connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the ...

A: Star connected 3 phase induction motor 8 pole, 380V line to line voltage, 60Hz frequency The motor p...

Q: Show that the power supplied equals the power absorbed in the following circuit. All voltages and cu...

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Q: Quasi-static electromagnetic field is * .the ... low frequency O high frequency O time independent O...

A: The significance of quasi-static field theory is that, E and B field occurs independently and are sa...

Q: 3. Using long division, determine the inverse z-transform of 1+ 2z-1 1- 2z-1 + z-2 X(z)

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Q: for the Circuit shown in fig if Vc= 1oV B. 2009 Voc IB- 20 MA %3D Ri 2.6KAS 1.V Ikal

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Q: Using A-Y orY-A conversion, find the total resistance R7 for the circuit of Figure(3). Note : All re...

A: From fig R2,R5,R4 are in star ,we will convert into delta. We will use series and parallel combinati...

Q: Use Ohm's Law to calculate the equivalent resistance of R12, R23 and R123 (as specified in the lab m...

A: Solution :-  Since you have asked multiple question and not specified which one to answer I will ans...

Q: Draw the equivalent circuit model and switching characteristics of the device which is used for low ...

A: We need to draw the equivalent circuit model and switching characteristics of the device which is us...

Q: +16 V 3.6 kN 270 k2 VC Ic B = 120 1.2 k2 Calculate S'

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Q: find In, Its I s,l4

A: The solution can be achieved as follows.

Q: a non-directional pattern in a given plane, and a directional pattern in any orthogonal plane is ......

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Q: Figure 1 consists of five elements. If ?1=200 ?, ?2=−50 ?, ?3=45 ?, ?4=25 ?, calculate the power ?5 ...

A: The solution can be achieved as follows.

Q: A material is characterized by (ɛr=4.3, µr=1 .. and 60), the material considered as Free space O los...

A: Here, the given data is εr=4.3,μr=1,σ=0 For free space, εr=1, μr=1, σ=0 For a lossy medium,  σ>0 ...

Q: Displacement current is taken to be negligible (compared to the .... conduction current) if (a and c...

A: We need to find when displacement current is very small.

Q: Draw the circle diagram for a 5.6 kw 400 v 3 phase, 4 pole, 50 Hz slip ring induction motor from the...

A: 3-Phase slip ring induction motor; power =5.6KW voltage=400V p=4 pole frequency=50 HZ No.load test :...

Q: - EXAMPLE : Simplify the following Boolean expression using K-Map: Y = ABCD+ABCD +ĀBCD+ĀBCD+ABCD +ĀB...

A: To minimise the given Boolean experience using karnough map 

Q: A 240 V, 60 Hz, Delta connected, 870 r.p.m., Eight poles, Three-Phase Induction Motor has the follow...

A: Given: VL=Vph=240V ,f=60Hz ,P=8, R1=0.07ohm ,R2=0.05ohm Ns=120f/P=900rpm , Nr=870rpm s=Ns-NrNs=0.03 ...

Q: Q3) The armature of a 4-pole DC machine has 240 coils wound in lap formation. Each coil generates a ...

A: P=8 , Z =240 , lap wound A=P  Ecoil=NPZϕ60=4  Icoil=5A a) Eg=NPZϕ60A=44=1 b) IP=5IA=IPA=54=1.2  c ) ...

Q: Vcc For the cireuit shown in Figuye If Ve=lov, Be200, 2.5ks2 RI -1ov Is 201 A find Iksz Vcc ,VR1,VB,...

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Q: (2) If y Cotx then If y=sex then = secx tan x. xp ) if y-cscx then dy CSCX otx.

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Q: Plot the output waveform of the following circuit 4 V 1V 15 V + Si R Vo

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Q: Vcc For the circuit Shown in Figuye 2.5k2 If Vealor, Ba200, Ri -1ov Ir 201A Ikse

A: Vc=10 Vβ=200IB=20 μATo find R1 or RB;

Q: Q2. Thermal power station contains three units, one 700kw and two units with 500kw for each one. The...

A: The solution can be achieved as follows for the given thermal power.

Q: 4. Determine the causal signal x(n) if its z-transform X(z) is given by: 1 b) X(z) 1-z-1+0.5z-2

A: Solution:- Given, Z-transform as Xz = 11-z-1+0.5z-2 to find x[n]  

Q: Q1. The block diagram of feedback control system shown in fig.s below find the transfer function C(s...

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Q: Refer to the following figure. If IB=7S LA, BDC = 100, 43DI%3D VCC 20 V, and RC=15 kN the value of V...

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Q: The factor that can worsen the transfer of energy from the transmitter to the antenna . . is mismatc...

A: The explanation is  achieved as follows.

Q: 2- In the circuit shown in Figure below, the switch opens at t 0. Find i(t) for t> 0. i,(1) 360 312 ...

A: 2)  To calculate the current through inductor i1(t) 

Q: Calculate vo in the circuit in Figure below using nodal analysis. 6Ω vo = 3.652 V ww Vo 8Ω 2Vo 12 V

A: The equivalent circuit with assumed direction of current in each resistor and node voltage is shown ...

Q: Py Define Amperi law, Hhen find the cumant density at Point PC 2,1, 1), the magnetic field is given ...

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Q: Q3: Two d.c. shunt generators connected in parallel, each having an armature resistance of 0.1 0, an...

A: Two d.c. shunt generators are connected in parallel. Each generator having armature resistance = 0.1...

Unijunction Transistor (UJT)

The Unijunction Transistor (UJT) is a three-terminal switching semiconductor device. It contains an n-shaped silicone object bar with a terminal attached to its two ends known as base one and base two. The third terminal is connected to a highly enclosed p-type material attached to the bar section of its length and is known as emitter. As there is only one corrective cross within the device, it is therefore called the 'Unijunction' transistor. The characteristics of the single junction transistor show the wrong resistance if it finds use in resting oscillator circuits for various applications.