Give the principle of transformer.?
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Answer:
Give the principle of transformer.?
→ Transformer is a device used for conversion of low alternating voltage into high alternating voltage and vice versa.
→ It is based on the principle of mutual induction. That is, when magnetic flux linked with one circuit changes, induced current is produced in neighbouring coil.
→ Note : Check the necessary picture also that is provided with this answer.
→ Transformer consists of two coils wound on a common iron core. Voltage is applied across the primary coil (P). The output is obtained across the secondary coil (S).
→ As voltage (vp) is connected to primary coil, alternating current starts flowing through the coil.
→ As a result, changing magnetic flux gets linked with the coils.
→ Due to change in magnetic flux, an induced e.m.f. is produced in the secondary coil.
Hope it helped u.
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