APPSC Inspector of Factories Electrical Paper 2008

Andhra Pradesh PSC Inspector of Factories Electrical Paper 2008

Noe is defined as
(a) a point at which two or more circuit elements are joined
(b) an equipotential point at which two or more circuit elements are joined
(c) an equal impedance point at which two or more circuit elements are joined
(d) an equal current point at which two or more circuit elements are joined

If the number of parallel paths in the network is more, ______ method is preferred.
(a) Nodal
(b) Mesh
(c) Ohm’s Law
(d) Superposition

Which of the following is called as acceptor circuit?
(a) R-L parallel
(b) RLC series
(c) RLC series resonant
(d) RLC parallel resonant

A parallel RLC resonant circuit may also be called as
(a) Rejecter Circuit
(b) Anti-Resonant Circuit
(c) Tuned Circuit
(d) All of the above

Three identical resistances are connected in a star fashion against a balance three phase voltage supply. If one of the resistance be removed, by how much the power be reduced?
(a) 11.11%
(b) 22.22%
(c) 33.33%
(d) 44.44%

A number of parallel voltage sources can be reduced to one equivalent one by
(a) Compensation theorem
(b) Nodal analysis
(c) Millman’s theorem
(d) Superposition theorem

Tellegen’s theorem should be used for the circuits and circuit elements may be
(1) Linear/ Non-linear
(2) Passive/ Active
(3) Time invariant/ Time varying
(4) May contain Dependent/ Independent Sources
(a) (1),(2) and (3)
(b) (1), (2), (3) and (4)
(C) (1) and (4)
(d) (2) and (3)

The determinant of the incidence matrix of a closed loop is
(a) unity
(b) infinite
(c) indefinite
(d) zero

Active filters eleiminate
(a) Resistors
(b) Inductors
(c) Capacitors
(d) All of the above

The gradient of a scalar is a
(a) Vector
(b) Scalar
(c) zero
(d) unity

Divergence theorem of electrostatic field is known as
(a) Poisson’s theorem
(b) Faraday’s theorem
(c) Gauss’s theorem
(d) Superposition theorem

Pointing vector is in the nature of
(a) Power density
(b) Current density
(c) Potential density
(d) Charge density