A common transistor radio set requires 12 V ( D . C . ) for its operation. The D . C . source is constructed by using a transformer and a rectifier circuit, which are operated at 220 V ( A . C . ) on

Question

A common transistor radio set requires 12 V ( D . C . ) for its operation. The D . C . source is constructed by using a transformer and a rectifier circuit, which are operated at 220 V ( A . C . ) on standard domestic A . C . supply. The number of turns of secondary coil are 24 , then the number of turns of primary are

TestHub · Accepted Answer

N S ​ N P ​ ​ = V S ​ V P ​ ​ 24 N P ​ ​ = 12 220 ​ N P ​ = 12 220 × 24 ​ N P ​ = 440

Physics - EMI/AC Question with Solution | TestHub

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