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PRELIMINARY: these activities should be completed before the first lab session for lab 2 lab and written into your log book.

Draw the simple circuit opposite into you log book and calculate the voltage at each point, relative to zero volts, with the switch open, and then with the switch closed. Calculate the current flowing with the switch open and closed.

In your log book state the role of the resistor. State what would happen if it was zero ohms.

The NAND gate circuit opposite is the first attempt to design a circuit that will test the logic function of a real HCOO NAND gate. The idea is that the red LED lights for a high output, and the green lights for a low output.

The circuit has several severe problems do not build it.

Work out the currents and voltages in each element and explain why the circuit cannot work and any problems. This must be written in your log book.

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  • Category:- Physics
  • Reference No.:- M91700491

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