Electrical Machines The breakdown torque of a synchronous motor varies as 1/V² applied voltage V 1/V V² 1/V² applied voltage V 1/V V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant. 38.5 Nm. 65.8 Nm. 27.73 Nm . 74 Nm. 38.5 Nm. 65.8 Nm. 27.73 Nm . 74 Nm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? ∞ a finite negative value a positive finite value 0 ∞ a finite negative value a positive finite value 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? sine wave flat tapped or trapezoidal saddle shape peaky in nature sine wave flat tapped or trapezoidal saddle shape peaky in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is 45°. load angle is 0°. input power factor is unity. load angle is equal to internal angle θ. load angle is 45°. load angle is 0°. input power factor is unity. load angle is equal to internal angle θ. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are high and high low and low low and high high and low high and high low and low low and high high and low ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS