27) The primary of a transformer is connected to a 220 V rms source and has a current of 250 mA rms. The secondary is providing 22 V rms across a 10Ohm load. What is the efficiency of the transformer?
Answer is:
88%
ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key
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Answer is:
Zero output impedance, infinite input impedance, infinite bandwidth
Answer is:
Twice the input AC frequency
Answer is: