Electrical Machines The armature resistance of the dc motor is generally of the range 100 ohm. 50 ohm. 0.5 ohm. 0.1 ohm. 100 ohm. 50 ohm. 0.5 ohm. 0.1 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 1 Hz 5 Hz 0 Hz 50 Hz 1 Hz 5 Hz 0 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC shunt generator. Compounded DC generator. None of these. DC series generator. DC shunt generator. Compounded DC generator. None of these. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where the load is very high. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where the load is very high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor shunt regulator. Zener diode shunt regulator. None of these Transistor series regulator. Transistor shunt regulator. Zener diode shunt regulator. None of these Transistor series regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by sf. f / s. s2. sf / 2. sf. f / s. s2. sf / 2. ANSWER DOWNLOAD EXAMIANS APP
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