n²
n
2n²
3n²
The mechanical power developed by the D.C motor is maximum when back e.m.f is equal to
The metal used to make lightning conductors is
The metal whose electrical conductivity is more, is
The method of magnetisation is
The min. number of geostationary satellites needed for uninterrupted global coverage is:
The minimum number of forces to keep a particle in equilibrium is
The minimum number of Non zero non collinear vectors required to produce a zero vector is
The mirage is seen in a hot desert because of
The moderator used in a nuclear reactor is
The modulus of elasticity for mild steel is approximately equal to
