GCSE Physics – National grid – Transformer equation
Learning Objectives
-I can recall the units needed for V / V = n / n
-I can rearrange V / V = n / n
-I can use V / V = n / n
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- Current
- Review
- Answered
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1. Question
What is the potential difference vs turns equation?
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2. Question
What are V and V measured in?
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3. Question
What is V in the voltage vs turns equation?
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4. Question
What is n in the voltage vs turns equation?
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5. Question
The ratio of potential differences on transformer coils matches what?
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6. Question
In a step-up transformer, what is the relationship between V and V?
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7. Question
In a step-down transformer, what is the relationship between V and V?
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8. Question
A 230 V transformer has 11,500 turns on its primary coil and 600 on its secondary coil. What is the output voltage?
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9. Question
A primary transformer has a voltage of 240 V and a primary coil with 500 turns. What is the voltage in the secondary coil if it has 25 turns?
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10. Question
A transformer has an input voltage 240 V and output voltage of 12 V. If the primary coil has 5,000 turns, how many turns does the secondary coil have?
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11. Question
A 230 V transformer has 11,500 turns on its primary coil and 14,000 on its secondary coil. What is the output voltage?
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12. Question
A 230 V transformer has 10,000 turns on its primary coil and the output voltage is 23 V. How many turns are on the secondary coil?