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Monday, 31 August 2015

Network Theorems - Multiple Choice Questions, Blanks & True False

Network Theorems - Multiple Choice Questions, Blanks & True False Points : Network Theorems, Multiple Choice Questions and answer, Fill in the blanks., True or False, Network Theorems mcqs, objective type questions principles of electrical engineering Multiple Choice Questions 1. A passive electric circuit is one that has
(a) One source of energy
(b) Two sources of energy
(c) No source of energy

2. A circuit has constant parameters is called
(a) Linear circuit
(b) Non-linear circuit
(c) Active circuit

3. The circuit has the same characteristics in either direction
(a) Unilateral circuit
(b) Bilateral circuit
(c) None of them

4. A circuit whose parameters are not constant is
(a) Non-linear circuit
(b) Linear circuit
(c) None of them

5. According to Kirchhoff’s 2nd law
(a) ΣE=ΣE1 +ΣE2
(b) ΣE-ΣIR
(c) Σr = ΣV/R

6. Kirchhoff’s law is concerned with
(a) IR drops
(b) Battery emf
(c) For both

7. When thevenising is done between two terminals of the circuit then Vth equal to
(a) Short circuit terminal voltage
(b) Total voltage in the circuit
(c) Open circuit terminal voltage
Fill in the blanks 1. A circuit is said to be linear circuit if its parameters are constant.
2. Kirchhoff’s laws were discovered in 1874.
3. If internal resistance is equal external resistance of the circuit called maximum power theorem.
4. In Thevenin’s theorem, the resistance is taken out from circuit.
5. Kirchhoff’s law is used only in electronic circuit.
6. An ideal constant voltage source has zero resistance.
7. While calculating Rth, all voltage sources are removed but not their internal resistance.
8. A passive electric circuit has no source of energy.
9. An active circuit has one or more source of energy.
10. Two or more branches are connected to a common point called node.
True or False 1. Active circuit has no source of energy. F
2. Linear circuit has constant parameters. T
3. Node is a closed path in an electric circuit. F
4. Kirchhoff’s law discovered in 1947. F
5. Internal resistance is equal to external resistance of load is called Kirchhoff’s law. F
6. Kirchhoff’s law is used only in electronic circuit. T
7. According to maximum power theorem RL Ri. F
8. Bilateral circuit has the same characteristics in either direction. T
9. Algebraic sum of total voltage drops of the circuit and emf always equal to zero. T
10. The current flowing towards the node is not equal to current flowing away the node. F

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