When the current in a toroidal solenoid is changing at a rate of 0.0200 A/s, the magnitude of the induced emf is 12.7 mV. When t
he current equals 1.50 A, the average flux through each turn of the solenoid is 0.00458 Wb. How many turns does the solenoid have?
1 answer:
Answer:

Explanation:
From the question we are told that
The rate of current change is 
The magnitude of the induced emf is 
The current is 
The average flux is 
Generally the number of turns the number of turn the solenoid has is mathematically represented as

substituting values


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