ASE Electrical and Electronic Systems (A6) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What technique can be used to verify the performance of a capacitor?

Visual inspection

Capacitance measurement

The technique of capacitance measurement is essential for verifying the performance of a capacitor because it directly assesses whether the capacitor is functioning within its specified parameters. This measurement provides information on the actual capacitance value, which can then be compared to the manufacturer's specifications or expected performance characteristics.

Capacitors may age, degrade, or fail, impacting their capacitance. A capacitance meter or multimeter with a capacitance function can accurately measure this parameter, ensuring that the component is still effective for its intended application. If a capacitor's measured capacitance is significantly lower than its rated value, it may need to be replaced.

Other techniques, while useful in their own contexts, do not directly evaluate the core functionality of a capacitor in terms of its ability to store charge and release it when needed. Visual inspection might reveal physical damage but does not provide quantitative data about performance. Resistance testing assesses leakage current but does not substitute for direct capacitance confirmation. Voltage drop measurements can indicate issues in complex circuits but are not a definitive test for capacitance.

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Resistance testing

Voltage drop measurement

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