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Date May 2022 Marks available 1 Reference code 22M.1.HL.TZ1.36
Level Higher level Paper Paper 1 Time zone 1
Command term Question number 36 Adapted from N/A

Question

The arrangement shows four diodes connected to an alternating current (ac) supply. The output is connected to an external circuit.

What is the output to the external circuit?

A.  Full-wave rectified current

B.  Half-wave rectified current

C.  Constant non-zero current

D.  Zero current

Markscheme

D

Examiners report

This was another challenging HL question, where candidate responses were divided across the options. Options A and B were most common, due perhaps to the fact that the presentation of this circuit looks like a rectifier. Candidates need to pay attention to the direction of the diodes when considering this type of circuit.

Syllabus sections

Additional higher level (AHL) » Topic 11: Electromagnetic induction » 11.2 – Power generation and transmission
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Additional higher level (AHL) » Topic 11: Electromagnetic induction
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