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Question 21M.2.HL.TZ1.5c.i

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.2.HL.TZ1.5c.i
Level HL Paper 2 Time zone TZ1
Command term Describe Question number c.i Adapted from N/A
c.i.
[Maximum mark: 1]
21M.2.HL.TZ1.5c.i

A device sends an impulse of electrical energy to maintain a regular heartbeat in a person. The device is powered by an alternating current (ac) supply connected to a step-up transformer that charges a capacitor of capacitance 30 μF.

 

The switch is moved to position B. 

(c.i)

Describe what happens to the energy stored in the capacitor when the switch is moved to position B.

[1]

Markscheme

the energy stored in the capacitor is delivered to the resistor/heart ✓

 

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