Write any four differences between step-up and step-down transformer.

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Difference between step-up and step-down transformer.
S.No. Step-up Transformer Step-down Transformer
(i) It increases the voltage. It decreases the voltage.
(ii) It decreases the current strength. It increases the current strength.
(iii) The number of turns in secondary coil is greater than that of primary coil. The number of turns in primary coil is greater than that of secondary coil.
(iv) The wire of primary coil is thicker than that of the secondary coil. The wire of the secondary coil is thicker than that of the primary coil.

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S.No.	Step-up Transformer	Step-down Transformer
(i)	It increases the voltage.	It decreases the voltage.
(ii)	It decreases the current strength.	It increases the current strength.
(iii)	The number of turns in secondary coil is greater than that of primary coil.	The number of turns in primary coil is greater than that of secondary coil.
(iv)	The wire of primary coil is thicker than that of the secondary coil.	The wire of the secondary coil is thicker than that of the primary coil.