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Tensile Strain

Tensile strain ε is the extension over the original length.ε = ΔL/LWhere ΔL is the extension and L is the original length.Tensile strain is a ratio and has no units.

ε

=

ΔL
L

ΔL = extension
L = original lengthno units - ratio

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Specification: AQA Physics (7407), AS-level, 3.4.2.2 The Young modulus. Topic: Materials.

Key terms in this lesson

Potential difference
The energy transferred per unit charge as charge moves between two points in a circuit.

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