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the diagram shows how to use an invertor for transformer and transformer

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How to Test a Transistor using Multimeter

An ohmmeter can be used to check the state of a transistor i.e., whether the transistor is good or not. We know that base-emitter junction of a transistor is forward biased while collector-base junction is reverse biased. Therefore, forward biased base-emitter junction should have low resistance and reverse biased collector-base junction should register a much higher resistance. Fig shows the process of testing an npn transistor with an ohmmeter. (i) The forward biased base-emitter junction...