How does the relative number of turns on the primary and the secondary coil in a transformer affect the step-up or step-down voltage factor?
To explain: The effect of the relative number of turns on the primary and the secondary coil in a transformer on the step − up or step − down voltage factor.
Explanation of Solution
Introduction:
In step − up transformers, voltage levels are increased and in step − down transformers, voltage levels are decreased.
Voltage factor through a coil is directly proportional to number of turns of a coil. For step − up transformer, output voltage is more than input voltage. Hence, number of turns in secondary coil is more as compared to primary coil for step − up transformer.
For step − down transformer, output voltage is less than input voltage. Hence, number of turns in secondary coil is less than as compared to primary coil for step − up transformer.
Conclusion:
Secondary coil has relative more turns than primary coil for a step − up transformer.
Primary coil has relative more turns than secondary coil for a step − down transformer.
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