In a step-down transformer, the transformation ratio is 0.1, current in primary is 10 mA. The current in secondary is
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Verified by ExpertsThe correct answer is:
D
We know that, the transformation of current or voltage from primary to secondary or vice-versa in an ideal transformer takes place according to transformation ratio. Since, it is a step-down transformer, the turns in secondary are smaller in number. Hence current in secondary must be larger. Therefore the secndary current must be 
times the primary current. Hence
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