An ideal transformer has turns on the primary and turns on the secondary
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
An ideal transformer has 2400 turns on the primary and 120 turns on the secondary. The primary is connected to a 220V rms source. If a 2Ω resistor is connected across the secondary, the rms current in the secondary is approximately
(a) 11A
(b) 5.5A
(c) 55A
(d) 0.55A