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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
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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
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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
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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.
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47.  Kirchhoff's lows are applicable to circuits with
A. lumped parameters.
B. passive elements
C. non-linear resistances
D. all of these
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48.  Kirchhoffs voltage law is concerned with
A. IR drops
B. battery emfs.
C. both (a) and (b) above
D. none of the above
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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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