Respuesta :
Answer: 9 Turns
Explanation: primary turns + secondary turns.
The smallest total number of turns (primary turns plus secondary turns) you will need to build the transformer is 9 turns
Data obtained from the question
- Primary voltage (Vβ) = 70 V
- Secondary voltage (Vβ) = 245 V
- Total turns =?
How to determine the primary and secondary turns
- Primary voltage (Vβ) = 70 V
- Secondary voltage (Vβ) = 245 V
- Primary turns (Nβ) =?
- Secondary turns (Nβ) =?
Nβ / Nβ = Vβ / Vβ
Nβ / Nβ = 245 / 70
Nβ / Nβ = 7 / 2
Thus,
- Primary turns (Nβ) = 2 turns
- Secondary turns (Nβ) = 7 turns
How to determine the total turns
- Primary turns (Nβ) = 2 turns
- Secondary turns (Nβ) = 7 turns
- Total turns =?
Total turns = Nβ + Nβ
Total turns = 2 + 7
Total turns = 9 turns
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