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Question 22M.2.HL.TZ2.8c

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Date May 2022 Marks available [Maximum mark: 3] Reference code 22M.2.HL.TZ2.8c
Level HL Paper 2 Time zone TZ2
Command term Predict Question number c Adapted from N/A
c.
[Maximum mark: 3]
22M.2.HL.TZ2.8c

A fixed horizontal coil is connected to an ideal voltmeter. A bar magnet is released from rest so that it falls vertically through the coil along the central axis of the coil.

The variation with time t of the emf induced in the coil is shown.

 

(c)

Predict the changes to the graph when the magnet is dropped from a lower height above the coil.

[3]

Markscheme

magnet moves slower ✓

overall time «for interaction» will be longer ✓

peaks will be smaller ✓

areas will be the same as before ✓

 

Allow a graphical interpretation for MP2 as “graph more spread out”