# Thevenin's and Norton's Theorems 7

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## Related questions

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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

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While calculating Rth in Thevenin's theorem and Norton equivalent?

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Problem on electrical power and energy 7

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An electrical circuit with 10 branches and 7 junctions will have

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For a two -port reciprocal network, the three transmission parameters are A = 4, B = 7 and C = 5. What is the value of D ?  (a) 9.5 (b) 9.0 (c) 8.5 (d) 8.0

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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

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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

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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

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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

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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

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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

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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

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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

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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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Application of Norton's theorem to a circuit yields?

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

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Write the steps for finding the current through an element by Thevenin’s theorem.

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State Thevenin’s Theorem.

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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

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In Thevenin's theorem, to find Z?

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

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Source free RL circuit 7

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Source free RC circuit 7

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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

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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

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

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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

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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

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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

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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

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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%

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

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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%

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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

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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

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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

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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

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

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