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In an experiment, the increase in spring length caused by different loads is measured. If a different spring is used in every trial, which variable has not been controlled?

Answer and explanation

Correct answer: स्प्रिंग का प्रकार

Different springs may have different stiffnesses, thicknesses or materials, so the same load can produce different extensions. Because a new spring is used in each trial, spring type has not been controlled. The applied load is the independent variable, and the increase in length is the dependent measurement. Using one identical spring, or matched springs, would make the comparison fairer.

Related tags

Spring ExperimentControlled VariableLoadExtensionVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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