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To find current in a resistance connected in a network, Thevenin's theorem is used VTH = 20 V and RTH = 5 Ω. The current through the resistance: (1) is 4 A (2) is 4 A or less (3) is less than 4 A (4) May be 4 A or less or more than 4 A

asked May 29, 2018 in Network Analysis by Shimroz123
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asked Mar 25, 2018 in Network Analysis by Shimroz123
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asked Apr 26, 2018 in Network Analysis by Shimroz123
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asked Apr 25, 2018 in Electrical Engineering by Shimroz123
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A 1-phase, 7.46 kW motor is supplied from a 400 V, 50 Hz A.C mains. Its efficiency is 85% and power factor is 0.8 lagging. Calculate the KVA input (1) 9.56 kVA (2) 5.4 Kva (3) 10.97 kVA (4) 8.6 kVA 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
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Which of the following theorems can be applied to any network linear or non-linear, active or passive, time variant or time invariant?   (a) Thevenin Theorem (b) Norton Theorem (c) Telligen Theorem (d) Superposition Theorem 

asked May 13, 2018 in Network Analysis by Shimroz123
1 answer 29 views

Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem

asked Apr 29, 2018 in Network Analysis by Shimroz123
1 answer 30 views

Consider the following statements :  1. Network theorems are not derivable from Kirchhoff's law.  2. To get the . Norton current, one has to short the current source.  3. Thevenin's theorem is suitable for a circuit involving voltage sources and series connections.  Which of the above statements is/are correct ?  (a) 1, 2 and 3 (b) 1 only (c) 2 only (d) 3 only

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
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Which two network theorems exhibit duality ? (A) Superposition theorem and Thevenin's theorem (B) Super position theorem and Norton's theorem (C) Thevenin's theorem and Norton's theorem (D) Norton's theorem and Milliman's theorem

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

Norton's equivalent of a circuit consists of a  1. Constant current generator with parallel impedance  2. Constant current generator in series with an infinite resistance  3. Constant current generator in parallel with high impedance  4. Constant current generator in series with low impedance

asked May 13, 2018 in Network Analysis by Shimroz123
1 answer 76 views

Norton’s theorem states that a complex network connected to a load can be replaced with an equivalent impedance (A) in series with a current source (B) in parallel with a voltage source (C) in series with a voltage source (D) in parallel with a current source

asked Apr 26, 2018 in Electronics Engineering by Shimroz123
0 answers 39 views

Application of Norton's theorem to a circuit yields : (A) Equivalent current source only (B) Equivalent voltage source only (C) Equivalent voltage source and impedance in series (D) Equivalent current source and impedance in parallel

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 21 views

Norton's Theorem is a way to reduce a network to  (A) An equivalent circuit composed of a single current source, series resistance, and series load (B) An equivalent circuit composed of a single voltage source, parallel resistance, and parallel load (C) An equivalent circuit composed of a single voltage source, series resistance, and series load (D) An equivalent circuit composed of a single current source, parallel resistance, and parallel load 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 46 views

Application of Norton's theorem to a circuit yields?

asked Mar 25, 2018 in Network Analysis by Shimroz123
0 answers 24 views

Can we apply Norton's theorem in an AC circuit?

asked Mar 10, 2018 in Electrical Engineering by Quiz
1 answer 12 views

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asked Sep 7, 2018 by Shimroz123
1 answer 14 views

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asked Sep 7, 2018 by Shimroz123
0 answers 16 views

Thevenin’s theorem can be applied to network containing : (A) Passive elements only (B) Active elements only (C) Linear elements only (D) All of these

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

In Thevenin's theorem, to find Z?

asked Mar 25, 2018 in Network Analysis by Shimroz123
1 answer 22 views

Can you apply Thevenin's theorem in an AC circuit?

asked Mar 10, 2018 in Electrical Engineering by Quiz
1 answer 11 views

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asked May 10 by Shimroz123
1 answer 12 views

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asked May 10 by Shimroz123
0 answers 49 views

A high-pass filter has a resistance R = 2 kΩ The lowest input frequency to be passed is 7.5 kHz. The value of suitable coupling capacitor must be: A) 0.001 pico Farad B) 0.01 pico Farad C) 0.1 pico Farad D) 1 pico Farad

asked Jun 4, 2018 in Electrical Engineering by Shimroz123
1 answer 27 views

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

asked May 15, 2018 in Basic concepts by Shimroz123
1 answer 224 views

When converting 7,000 nA to microamperes, the result is? A.0.007 μA B.0.7 μA C.700 μA D.7 μA

asked May 15, 2018 in Basic concepts by Shimroz123
1 answer 40 views

What is the stored energy when 200 V is applied across a 7 μF capacitor? A) 1400 Joules B) 0.7 Joules C) 0.14 Joules D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 26 views

3kW load is supplied by an autotransformer with 0.7 transformation ratio. Conductively transferred power from primary to secondary is (A) 2.1 kW (B) 0.9 kW (C) 4.29 kW (D) 3 kW

asked Apr 28, 2018 in Electrical Engineering by Shimroz123
1 answer 40 views

When 7/0.029 V.I.R cable is carrying 20 A, a drop of 1 V occurs every 12 m. The voltage drop in a 100 m run of this cable when it is carrying 10 A is nearly  (a) 4.2 V (b) 3.2 V (c) 1.2 V (d) 0.42 V

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
0 answers 14 views

The system of equations x + y+ z = 6, 2 x + y +z = 7, x + 2 y +z=8 has a. A unique solution b. No solution c. An infinite number of solutions d. None of these

asked Apr 12, 2018 in Electronics Engineering by Shimroz123
1 answer 17 views

A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is: A. 8.57% B. 42.85% C. 4.28% D. 85.7%

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

Converting 7,000 nA into microampere will result in: A. 0.007 µA B. 0.7 µA C. 700 µA D. 7 µA

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
0 answers 15 views

A 3-phase, 2 pole, 11 kV, 10000 kVA alternator has earthed neutral through a resistance of 7.0Ω. The machine has current balance protection which operates if out of balance current exceeds 20% of full load. Determine %age of winding protected against earth fault (1) 10.6% (2) 11.6% (3) 10.9% (4) 11.2% 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

How many characters per sec (7 bits + 1 parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start bit and 1 stop bit)?  A) 300 B) 240 C) 250 D) 275

asked Apr 11, 2018 in Computer Engineering by Shimroz123
0 answers 15 views

Total numbers of ascending runs in the sequence 4 6 7 2 9 1 2 8 9 3 0  (1) 3 (2) 5 (3) 7 (4) 9  

asked Apr 10, 2018 in Computer Engineering by Shimroz123
0 answers 15 views

What will be the output of following code segment: int i=-7; printf(“%d”,0<!i); (1) 0 (2) non zero value (3) error (4) unpredictable value

asked Apr 10, 2018 in Computer Engineering by Shimroz123
0 answers 18 views

When the SCR conducts, the forward voltage drop will   (a) 0.7 V at all load current (b) 2 to 2.5 V at all load current (c) increases slightly with load current (d) remains constant with load current 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 10 views

The 7 bit ASCII code of character H is  A) C8 B) 48 C) 51 D) 5A

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 17 views

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asked Apr 3, 2018 in Lesson 2 Generation, Transmission and Distribution of Electric Power an Overview by Shimroz123
1 answer 69 views

7.24 Consider the finite-duration signal x(n) = {1,2,3,1} (a) Compute its four point DFT by solving explicitly the 4-by-4 system of linear equations defined by the inverse DFT formula. (b) Check the answer in part (a) by computing the four-point DFT, using its defination.

asked Sep 5, 2017 in Solution Manual for Digital Signal Processing by John Proakis by Quiz

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