JEE Main & Advanced
Physics
Electro Magnetic Induction
Question Bank
Application of EMI (Motor, Dynamo, Transformer)
question_answer
A step up transformer connected to a 220 V AC line is to supply 22 kV for a neon sign in secondary circuit. In primary circuit a fuse wire is connected which is to blow when the current in the secondary circuit exceeds 10 mA. The turn ratio of the transformer is [MP PET 1997]