(1) From the following option, which option is correct for largest size transformer.?
a)1KVA,25Hz , b)1KVA,50HZ , c)1KVA,60Hz , d)1KVA,100Hz

Answer Posted / amanmahajan2837

A) 1kVA , 25 Hz as size is inversely propotional to frequency because we have to increase turns to produce same impedance for low frequency

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