In an ideal transformer, the turns ratio is \(\frac{N_p}{N_s}=\frac{1}{2}\). The ratio \(V_s : V_p\) is equal to (the symbols carry their usual meaning) :
AC generator and transformer
Every question from past board papers on AC generator and transformer, newest paper first. Open any question for its full worked answer.
NEET UG 2024 question paper (official, booklet S6)
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A 12 V, 60 W lamp is connected to the secondary of a step down transformer, whose primary is connected to ac mains of 220 V. Assuming the transformer to be ideal, what is the current in the primary winding?
NEET UG 2021 question paper (official, booklet M4)
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A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit ?