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