a) Thermal power station b) Hydro-electric power station c) Nuclear power station d) None of these Ans: (b)
a) Wave power b) Ocean Currents c) Tidal power d) None of these Ans: (c)
a) 11 kV b) 132 kV c) 200 kV d) 400 kV Ans: (d)
a) Aerodynamic system b) Electrical system c) Mechanical system d) Both (b) and (c) above Ans: (a)
a) Shape of rotor blades b) Wind velocity c) Orientation of rotor blades d) Both (a) and (b) above Ans: (b)
a) Is clean, almost free and domestically produced b) Has higher cost comparatively c) Develops power proportional to the power of the wind d) All of these Ans: (d)
a) The electrical conductivity of the fluid b) Square of the flow velocity of the fluid c) Square of magnetic flux density d) All of these Ans: (d)
a) Gas b) Liquid c) Copper d) Aluminum Ans: (a)
a) ac b) pulsating c) dc d) Either (a) or (b) above Ans: (c)
a) Motionally induced emf b) Static emf c) Hall emf d) Both (a) and (c) above Ans: (d)