The device used for converting A. C. from higher voltage to lower voltage or vice versa is called

Q. The device used for converting A. C. from higher voltage to lower voltage or vice versa is called
  1 Transmitter
  2 Commutator
  3 Transformer
  4 Generator
  Ans:3
Q. If the linear momentum of a particle is doubled, then its kinetic energy will be
  1 Doubled
  2 Quadrupled
  3 Halved
  4 None of these
  Ans:2
Q. Watt-hour is the unit of
  1 Energy
  2 Power
  3 Potential
  4 Current
  Ans:1
Q. Which of the following is not a terrestrial planet (having a hard surface)?
  1 Mercury
  2 Venus
  3 Mars
  4 Jupitar
  Ans:4
Q. Homes are controlled by which of the following human body systems?
  1 Endocrine System
  2 Circulatory System
  3 Immune System
  4 Reproductive System
  Ans:1
Q. Which device mixes air and petrol (gas) for the internal combination engine?
  1 Carburetor
  2 Choke
  3 Crankshaft
  4 Cylinder
  Ans:4
Q. The vital constituent of blood that helps in clotting is
  1 Platelets
  2 Plasma
  3 Haemoglobin
  4 Serum
  Ans:1
Q. The thinkers who believe that 'state is an association of associations' are called-
  1 Socialists
  2 Federalists
  3 Anarchists
  4 Pluralists
  Ans:4
Q. Who has called political parties 'broker of ideas'?
  1 Bryce
  2 Lowell
  3 MacIver
  4 Mitchel
  Ans:2
Q. The book 'A Theory of Justice' is authored by-
  1 John Locke
  2 John Rawls
  3 John Austin
  4 Plato
  Ans:2