Electrical Engineering Mcqs
Question: Millman’s theorem yields____________?
- 1. equivalent resistance
- 2. equivalent impedance
- 3. equivalent voltage source
- 4. equivalent voltage or current source
Question: The number of independent equations to solve a network is equal to_____________?
- 1. the number of chords
- 2. the number of branches
- 3. sum of the number of branches and chords
- 4. sum of number of branches, chords and nodes
Question: A star circuit has element of resistance R/2. The equivalent delta elements will be_____________?
- 1. R/6
- 2. fi?
- 3. 2R
- 4. 4R
Question: Which of the following is the passive element?
- 1. Capacitance
- 2. Ideal current source
- 3. Ideal voltage source
- 4. All of the above
Question: A passive network is one which contains____________?
- 1. only variable resistances
- 2. only some sources of e.m.f. in it
- 3. only two sources of e.m.f. in it
- 4. no source of e.m.f. in it
Question: “In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of
- 1. Thevenin’s theorem
- 2. Norton’s theorem
- 3. Superposition theorem
- 4. None of the above
Question: “Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances”. This statement is
- 1. Thevenin’s theorem
- 2. Millman’s theorem
- 3. Maximum power transfer theorem
- 4. None of the above
Question: To determine the polarity of the voltage drop across a resistor, it is necessary to know___________?
- 1. value of current through the resistor
- 2. direction of current through the resistor
- 3. value of resistor
- 4. e.m.fs. in the circuit
Question: Kirchhoffs voltage law is related to_____________?
- 1. junction currents
- 2. battery e.m.fs.
- 3. IR drops
- 4. both B and C
Question: Superposition theorem can be applied only to circuits having____________?
- 1. resistive elements
- 2. passive elements
- 3. non-linear elements
- 4. linear bilateral elements