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Show how you will obtain an AND gate using only NOR gates. Draw the truth table for this…
(i)
Show how you will obtain an AND gate using only NOR gates. Draw the truth table for this arrangement of gates.
(ii)
For a common emitter transistor amplifier, the audio signal voltage across the collector resistance ($r_c$) of $2\text{ k}\Omega$ is $2\text{ V}$. If the current amplification factor ($\beta$) of the transistor is $100$, calculate the input signal voltage ($V_{BE}$) and base current ($I_B$) for base resistance of $1\text{ k}\Omega$.
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From ISC 2018 Specimen Physics Paper 1, question 22(b).