Welcome to Basic Electrical Engineering (Top Electrical MCQ) multiple choice questions and answers. These objective type Basic Electrical Engineering MCQ questions are essential for the campus placement test, semester exams, job interviews, and competitive exams like GATE, IES, PSU, STATE PSU, NET, SET, JRF, UPSC, DRDO, NTPC, SSC, OPTCL, OHPC, Railway, BARC, BEL, NHPC, ONGC, UPPCL, GENCO, TRANSCO, DISCOMS, etc. For ITI, Diploma, BE, B-tech Candidates.
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BASIC ELECTRICAL MCQ
1. Kirchhoff’s second law is based on the law of conservation of
(A) charge
(B) energy
(C) momentum
(D) mass.
2.Ampere second could be the unit of
(A) power
(B) conductance
(C) energy
(D) charge.
3.The emf of the dry cell is about-
5.Which of the following is not the same as watt?
(A) joule/sec
(B) amperes/volt
(C) amperes x volts
(D) ( amperes )2 x ohm.
TOP ELECTRICAL MCQ
ANSWER-1.(B)energy 2.(D) charge.3(D) 1.5 V.4(D) Nickel and chromium
.5(B) amperes/volt
6..Conductance is expressed in terms of
(A) ohm / m
(B) m / ohm
(C) mho / m
(D) mho
7.The unit of electrical conductivity is
(A) mho / metre
(B) mho / sq. m
(C) ohm / metre
(D) ohm / sq. m.
8.Electric heater is made up of
(A) DC circuits
(B) high currents
(C) small resistors
(D) semi-conductors.
10.The specific resistance of a substance is measured in
(A) ohms
(B) mhos
(C) ohm-cm
(D) cm/ohm.
TOP ELECTRICAL MCQ
ANSWER-6(D) mho.7(A) mho / metre.8(d)Chromed iron and Brass.9(D) semi-conductors.10(C) ohm-cm
(A) Electrolytes
(B) Arc lamps
(E) Insulators
(A) Vacuum ratio values.
12.The element of electric heater is made of
(A) copper
(B) steel
(C) carbon
(D) nichrome.
13.Which of the following has a negative temperature coefficient?
(A) Brass
(B) Mercury
(C) Electrolytes
(D) Silver.
14.Resistivity is usually expressed in terms of
(A) mho
(B) ohm / oC
(C) ohms/cm-square
(D) ohms/cm-cube.
15.A fuse is always installed in a circuit is
(A) Series
(B) Parallel.
(C)As our Requard
TOP ELECTRICAL MCQ
ANSWER-11.(E) Insulators.12(D) nichrome.13(C) Electrolytes.14(D) ohms/cm-cube.15(A) Series
16.Which of the following material is not used as fuse material?
(A) Silver
(B) Copper
(C) Aluminium
(D) Carbon.
17.The rating of fuse wire is expressed in terms of
(A) Ohms
(B) Mhos
(C) Amperes
(D) Watts.
18. According to the fuse law, the current-carrying capacity varies as
(A) diameter
(B) (diameter)3/2
(C) 1 / diameter
(D)1 / (diameter)2.
19.Which of the following has a negative coefficient of resistance?
(A) Wire wound resistor
(B) Metals
(C) Non-metals
(D) Thermistor.
20.Filaments of electric bulbs are usually made of
(A) Nichrome
(B) Tungsten
(C) Copper
(D) Carbon.
TOP ELECTRICAL MCQ
ANSWER-16(D) Carbon.17(C) Amperes.18(B) (diameter)3/219(D) Thermistor.20(B) Tungsten
