Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised parabola any of the above hyperbola linearised parabola any of the above hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 2 V 0 V 4 V 1 V 2 V 0 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on dielectric losses. stray losses. copper losses. core losses. dielectric losses. stray losses. copper losses. core losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 100 Ω 50 Ω 10 Ω 0.1 Ω 100 Ω 50 Ω 10 Ω 0.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? saddle shape triangular peaky in nature flat tapped or trapezoidal saddle shape triangular peaky in nature flat tapped or trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is equal to that of second transformer. more than that of second transformer. less than that of second transformer. none of these. equal to that of second transformer. more than that of second transformer. less than that of second transformer. none of these. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS