Answer
$$0.4 \ V.$$
Work Step by Step
The needle is on the fourth graduation to the right of 0. Each subdivision is 0.1 V. Therefore, the
reading is $$0.4 \ V.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 4 - Section 4.9 - Reading Scales - Exercise - Page 204: 23
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