GCSE Physics – National grid – Transformer equation
Learning Objectives
-I can recall the units needed for V_p / V_s = n_p / n_s
-I can rearrange V_p / V_s = n_p / n_s
-I can use V_p / V_s = n_p / n_s
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Question 1 of 12
1. Question
What is the potential difference vs turns equation?
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Question 2 of 12
2. Question
What are V_p and V_s measured in?
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Question 3 of 12
3. Question
What is V_p in the voltage vs turns equation?
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Question 4 of 12
4. Question
What is n_s in the voltage vs turns equation?
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Question 5 of 12
5. Question
The ratio of potential differences on transformer coils matches what?
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Question 6 of 12
6. Question
In a step-up transformer, what is the relationship between V_s and V_p?
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Question 7 of 12
7. Question
In a step-down transformer, what is the relationship between V_s and V_p?
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Question 8 of 12
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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Question 9 of 12
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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Question 10 of 12
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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Question 11 of 12
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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Question 12 of 12
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?
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