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Test yourself

A voltmeter with a strip of mirror mounted under the needle and near the scale.Suggest how this may help to reduce errors when taking a reading.
Question asked by: head_hurt

Asked on: 18 Apr 2010

Perhaps with the mirror you can read the reading then you can look at the reflection and read it again, so that might help to reduce the error?

I'm clutching at straws though here, not too sure why the mirror would help!

By: knowitall
Replied at: 18 Apr 2010
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