What happens when a switch is closed in a circuit with two coils?

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SUMMARY

When the switch is closed in a circuit with two coils, the meter reading will deflect to the left, indicating the direction of current flow. According to Lenz's Law, if a North pole (N) is generated in the first coil, a corresponding North pole must be produced in the second coil to oppose the change. This interaction creates distinct magnetic fields in both coils, influencing the overall circuit behavior. The analysis confirms the application of Lenz's Law in predicting the effects of closing the switch.

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Homework Statement



when the switch is closed , describe what will happen to the meter reading, the direction of the current flow, if any, and the magnetic fields produced in the two coils

Homework Equations



none

The Attempt at a Solution



the current flow is shown in the pic attached , the meter reading will deflect to the left?

please have a look at the pic attached and see if I've done it all right??
 

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  • 2011-05-20 23.33.57.jpg
    2011-05-20 23.33.57.jpg
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I think if you apply Lenz's law to that scenario, if N is produced in the circuit on the left, then in order to produce the opposite effect due to the production of a N pole, a similar N pole would need to be produced on the second circuit on the left.

(I may be wrong since I am not too well versed in these conceptual problems)
 

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