Multiple Choice Question (MCQs) is a process that tests student’s knowledge about comprehensive content and objectives and gives an insight into student ability. If the nucleus of a lead atom were broken into two identical nuclei, the total mass of theresultant nuclei would be:A. the same as beforeB. greater than beforeC. less than beforeD. converted … Read more
Objective Questions Short notes Objective questions (Answers are given below) In a d.c. motor, undirectional torque is producedwith the help of(a) brushes (b) commutator(c) end-plates (d) both (a) and (b) The counter e.m.f. of a d.c. motor(a) often exceeds the supply voltage(b) aids the applied voltage(c) helps in energy conversion(d) regulates its armature voltage The … Read more
MCQ ON ILLUMINATION Objective Questions Short notes Objective questions (Answers are given below) Candela is the unit of(a) flux(b) luminous intensity(c) illumination(d) luminance. The unit of illuminance is(a) lumen(b) cd/m2(c) lux(d) steradian. The illumination at various points on ahorizontal surface illuminated by the samesource varies as(a) cos3θ(b) cos θ(c) 1/r2(d) cos2 θ. The M.S.C.P. of … Read more
Objective Questions Short notes Objective questions (Answers are given below) The basic electrical requirement in arc weldingis that there should be(a) coated electrodes(b) high open-circuit voltage(c) no arc blow(d) d.c. power supply. Welding is not done directly from thesupply mains because(a) it is customary to use welding machines(b) its voltage is too high(c) its voltage … Read more
Objective Questions Short notes Objective questions (Answers are given below) First integrated circuit chip was developed by(a) C.V. Raman(b) W.H. Brattain(c) J.S. Kilby(d) Robert Noyce. An integrated electronic circuit is(a) a complicated circuit(b) an integrating device(c) much costlier than a single transistor(d) fabricated on a tiny silicon chip. Most important advantage of an IC is … Read more