Norton's Theorem is a way to reduce a network to...

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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

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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

What is the most effective way to reduce the cost of power generation in a power station?  (A) By increasing the diversity factor and decreasing the load factor (B) By increasing both the diversity factor and the load factor (C) By decreasing both the diversity factor and the load factor (D) By decreasing the diversity factor and increasing the load factor

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

Application of Norton's theorem to a circuit yields?

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

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

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

Superposition theorem is not applicable to network containing: (1) Non linear element (2) Dependent voltage source (3) Dependent current source (4) Transformer.

In a three-phase supply floating neutral is undesirable because it way give rise to?

Gauss's theorem states that total electric flux Φ emanating from a closed surface is equal to (a) Total current density on the surface (b) Total charge enclosed by that surface (c) Total current on the surface (d) Total charge density within the surface

In order to reduce cross sectional dimension, the wave guide to use is

Transposition -of the-transmission line is done to reduce : - a) line losses b) capacitive -effect  c) disturbance to nearby communication circuits d) effect of surge voltages induced on the line

The equipment installed in power plants to reduce air pollution due to smoke is (A) Induced draft fans (B) De -super heaters (C) Electrostatic precipitators (D) Re -heaters

The magnetic factor required to reduce the residual magnetization zero is called?

A Two-Port Network is said to be symmetrical when the following equalities hold good (A) Z11 = Z22 and Z12 = Z21 (B) Z11 = Z22 (C) Y12 = Y21 (D) Y11 = Y22 and Y12 = Y21

An amplifier has a voltage gain of 120. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is  (1) 141 (2) 92.3 (3) 9.23 (4) 1.41

A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance

Laminated cores, in electrical machines, are used to reduce?

What is the fastest way to concat strings in ASP.NET ? What should you do?  (1) Write code that uses the Append method of the StringBuilder object. (2) Write code that uses the Substring method of the String object. (3) Write code that uses the Concat method of the String object. (4) Write code that uses the plus-sign (+) operator to concatenate the strings.

The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be A) 3 B) 2 C) 4 D) 5

In any network the current will be seen to be consisting of a forced current and a natural current. A forced current is  (a) A steady-state current with external source but a natural current is a transient current in a closed circuit with no external source. (b) A transient current with external source but a ... an external source. (d) A transient current in a closed circuit without external source, while a natural current is a steady-state current with an external source.

A network has 10 nodes and 17 branches. The number of independent mesh equations required to solve the network is   (a) 7 (b) 8 (c) 10 (d) 45

For a two port network to be reciprocal:  (A) Z11= Z22 (B) Y21 = Y21 (C) h21 = h22 (D) AD-BC = 0

In the Squirrel cage induction motors, the rotor slots are usually a slight skew to reduce (A) Windage losses (B) Eddy currents (C) Accumulation of dirt and dust (D) Magnetic hum

In order to reduce the harmful effects of harmonics on the AC side of a high voltage DC transmission system_____ are provided. (A) synchronous condensers (B) shunt capacitors (C) shunt filters (D) static compensators

In applying superposition theorem, to determine branch currents and voltages   (a) all current and voltage sources are shorted. (b) only current sources are open circuited. (c) only voltage sources are shorted. (d) voltage sources are shorted and current sources are open circuited.

Can we apply the superposition theorem to AC circuit?

Attenuation in a network in decibels is equal to _____.

A passive two port network is in a steady state. Compared to its input, the steady state output can never offer  A) Higher voltage B) Lower impedance C) Greater power D) Better regulation

____ is known as a computer network in which one centralized, powerful computer is a hub to which many less powerful personal computers or workstations are connected. The clients run programs and access data that stored on the server.  a) Client-Server network b) Extranet c) Internet d) None of the above.

A passive 2-port network is in a steady state, compared to its input, the steady state output can never offer   (a) Higher voltage (b) Lower impedance (c) Greater power (d) Better regulation

A network is said to be under resonance when the voltage and the current at the network input terminals are (A) in phase (B) out of phase (C) in phase quadrature (D) in phase, and have equal magnitudes

If a computer on the network shares resources for others to use, it is called  (1) Server (2) Client (3) Mainframe (4) none

One of the necessary and sufficient condition for a network function N(s)=p(s)/q(s) to be a transfer function is that  A) The coefficients of the polynomial p(s) and q(s) must be real and those for q(s) must be positive B) Coefficients of p(s) and q(s) must be real and positive C) Coefficients of p(s) must be positive and real but coefficients of q(s) can be negative also D) Degree of p(s) and q(s) may differ by either zero or one only

The number of independent equations to solve a network is equal to?

The way a card game player arranges his cards as he picks them up one by one, is an example of  (1) Insertion sort (2) Selection sort (3) Bubble sort (4) Merge sort

Which topology is used for a central Network controller

A network that consists of at least a voltage source or current source is called A) Active network B) Ideal network C) Sourced network D) Outsourced network

A network consists of several inductances connected in parallel. The equivalent inductance of the network is given by (A) the sum of the individual inductances. (B) the reciprocal of the sum of the individual inductances. (C) the sum of the reciprocals of individual inductances. (D) the reciprocal of the sum of reciprocals of individual inductances.

A binary ladder with R -2R network has R = 20K Ohms. The total resistance looking out toward the LSB input is (a) 20KOhms (b) 40KOhms (c) 10KOhms (d) 30KOhms

What is the equivalent resistance of a network having 5 resistors of each 10ohm connected in parallel?  (A) 10 Ohms (B) 50 Ohms (C) 500 Ohms (D) 2 Ohms

Which among the following is the equation for the number of independent loops for a network with n nodes and b branches?  (A) n-1 (B) b+n-1 (C) b-n+1 (D) b-n