question_answer

In a step-up transformer, the turn ratio is 1 : 2. A Leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage developed in the secondary would be  [MP PET 1992, 99; AIIMS 2000; MP PMT 2000; RPET 2001]

A)            3.0 V                                        

B)            0.75 V

C)            1.5 V                                        

D)            Zero