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(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

Question Posted / mitesh22

Answers were Sorted based on User's Feedback



(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz ,..

Answer / amanmahajan2837

A)1kVA,25Hz
Transformer size is inversely propotional to frequency as we have to increase no of turns for low frequency to produce same impedance

Is This Answer Correct ?    16 Yes 1 No

(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz ,..

Answer / k.prakashchandra

Back emf is equal to 4.44 flux x frequency x turns . For the given voltage if the frequency is reduced , flux should be increased and hence the larger core or more number of turns

Is This Answer Correct ?    10 Yes 0 No

(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz ,..

Answer / 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

Is This Answer Correct ?    8 Yes 0 No

(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz ,..

Answer / vipin singhal

1kva 100hz

Is This Answer Correct ?    1 Yes 8 No

(1) From the following option, which option is correct for largest size transformer.? a)1KVA,25Hz ,..

Answer / mitesh22

D) 1KVA,100Hz

Is This Answer Correct ?    4 Yes 12 No

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