Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be none of above. cross-magnetisation. demagnetisation. cross-magnetization as well as demagnetization. none of above. cross-magnetisation. demagnetisation. cross-magnetization as well as demagnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in demagnetization of centers of poles. demagnetization of leading & magnetization of trailing pole tip. magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. demagnetization of centers of poles. demagnetization of leading & magnetization of trailing pole tip. magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The demagnetising component of armature reaction in a DC generator increases armature speed. results in sparking trouble. reduces inter poles flux density. reduces generator emf. increases armature speed. results in sparking trouble. reduces inter poles flux density. reduces generator emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies in none of above positions. along neutral axis. along field axis. in any of above positions. in none of above positions. along neutral axis. along field axis. in any of above positions. ANSWER DOWNLOAD EXAMIANS APP