Begin to figure out how to determine which bjt is off or why

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begin to figure out how to determine which BJT isoff or why. I tried modeling the BJT's as two diodes: NPN BJTshares anodes and PNP shares cathodes. Doing it this way doesnot provide the correct answers though. How to determine which one is off or on?

Reference no: EM13296009

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Begin to figure out how to determine which bjt is off or why : begin to figure out how to determine which BJT is off or why. I tried modeling the BJT's as two diodes: NPN BJTshares anodes and PNP shares cathodes. Doing it this way doesnot provide the correct answers though. How to determine which one is off o..
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