Question
Which one of the following pairs is not correctly
matched?Solution
• An Ammeter is a device used to measure electric current, not electrical power. • It measures the amount of electric current flowing through a circuit and displays it usually in amperes (A). • Thus, option (d) is incorrectly matched. • The other options are correctly matched: o Odometer measures the distance traveled by a vehicle. o Ondometer measures the frequency of electromagnetic waves. o Audiometer measures the intensity or sensitivity of sound (especially for hearing tests). Thus, the correct answer is (d).
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int *ptr = #
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