Please help me fill in the data chart and answer the question on if it agrees or
ID: 2078683 • Letter: P
Question
Please help me fill in the data chart and answer the question on if it agrees or disagrees with Lenz's Law. Must have both fully completed chart and question answered for rating.
Explanation / Answer
Table:
Action Galvanometer deflection Direction of induced current Polarity of top of coil Expectedf polarity from lenz's law
Insert Primary Right CW S S
Remove Primary Left CCW N N
Primary at rest
power switched off Left CCW N N
Primary at rest
power switched on Right CW S S
When power supply is switched off, the magnetic field due to the current in the primary coil suddenly drops to 0, creating a flux change, which in accordance with the faraday's law induces current in the other coil, and in accordance with Lenz's law, the direction of the induced current is such that it wants to oppose the change, any change
Similiarly, the last observation too agrees to the lenz's law, as when power is sewitched on, the flux increases from 0 to a fixed value in a given time and hence iunducing current in the voil in the process
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