A model electric train requires 6 V to operate. When connected to a 120-V house-hold circuit, a transformer is needed. If the primary coil of the transformer has 240 windings, show that there should be 12 turns in the secondary coil.
To show: there are
Answer to Problem 53A
The number of turns on secondary coil is
Explanation of Solution
Given:
Voltage in the train
House -hold circuit voltage
Number of turns on primary coil
Number of turns on secondary coil
Formula used:
Calculation:
The relation between voltage and number on turns on primary and secondary winding is,
The equation becomes
The number of turns required on the secondary winding is
Conclusion:
The number of turns on the secondary winding is
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