a 230v/30v with 50Hz transformer that has a primary current of 0.6A which supplys number of 30v and 30 watts halogen light bulb. find the maximum number of bulb can operate. assume that its an ideal transformer and can operate within its rated value.

Question

Please help. Thanks

Answer 1

Po max = Pin = 230 * 0.6 = 138 Watts.
138/30 = 4.6 Bulbs or 4 bulbs, max,