An electric lamp rated at DC consumes a current of

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

An electric lamp rated at

100\,\text{V}

DC consumes a current of

10\,\text{A}

. It is connected to

150\,\text{V}

50\,\text{Hz}

AC mains with a choke coil in series. Calculate the inductance and voltage drop across the choke, neglecting the resistance of the choke.