A , bulb is connected to the secondary of a step-down transformer whose primary is…

PHYSICS · Numerical · CBSE · Physics · Alternating Current · Alternating Current

Problem

100\,\text{V}

50\,\text{W}

bulb is connected to the secondary of a step-down transformer whose primary is connected to AC mains of

200\,\text{V}

. Assuming the transformer is ideal, what is the current in the primary winding?