Describe the procedure for testing MOSFETs with an ohmmeter.

What will be an ideal response?


The forward and reverse resistance should be checked with a low-voltage ohmmeter on its highest scale. MOSFETs have extremely high input resistance because of the insulated gate. The meter should register an infinite resistance in both the forward- and reverse-resistance test between the gate and source or drain. A lower reading indicates a breakdown of the insulation between the gate and source or drain.

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