A transformer is used to light a 24volts,70watts lamp from a
240a.c main.The current in the main cable is 0.35A.
Calculate,
(1) The efficiency of the transformer.
(2) the current in the lamp.
Answer Posted / amit and sunny
83.33% is effieciency,2.9 is current
Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
what is load despatching
why ht motors are star connected?
Why a tesa lamp is glow between two phase?
how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?
sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
What are n circles?
How Can you do Maintenance of ACB of 2000Amperes
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
State Maximum Power Transfer theorem.
What is the meaning of loop in transformer
Is neutral transformer can be called as control transformer?
describe the Tranformer testing procedure
Why the field rheostat is adjusted such that the voltmeter reads 380V
primery try cell?