1.

Given below are the readings obtained from a transformer.PrimarySecondaryVoltage150 vCurrent1 APowerVoltage150 vCurrent1 APowera. What type of transformer is this?b. What is the principle of a transformer?c. If power loss occurs, how much is it?

Answer»

a. Step-up transformer 

b. Electromagnetic Induction 

c. Power in the primary P = VI 

= 150 × 1 = 150 W

Power in the secondary = VI 

= 1000 × 1/10 = 100 W 

Power loss = 150 – 100

= 50 W



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