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Electrical Engineering Objective Questions { Basic Concept of Electricity }

43.  If there are e elements and n nodes, the number of meshes will be
A. n ? 1
B. e
C. e ? n
D. (e? n) + I

44.  If there are b branches and j Junction the number of meshes will be
A. b ? 1
B. b
C. b ? j
D. (b ? j) + I

45.  For determining the polarity of the voltage drop across a resistor, we do not require value of
A. resistor.
B. current
C. emf in the circuit
D. all of these

46.  Kirchhoffs laws are valid for
A. linear circuit only
B. passive time invariant circuits
C. non-linear circuits only.
D. both linear and non-linear circuits.

47.  Kirchhoff's lows are applicable to circuits with
A. lumped parameters.
B. passive elements
C. non-linear resistances
D. all of these

48.  Kirchhoffs voltage law is concerned with
A. IR drops
B. battery emfs.
C. both (a) and (b) above
D. none of the above

49.  Maxwell circulating current theorem
A. utilises Kirchhoffs voltage law.
B. utilises Kirchhoffs current law.
C. is a network reduction method.
D. is confined to single loop circuits.

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