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Electronics and Communication Materials And Components Difficulty: Medium

An SCR can be switched from a non-conducting state to a conducting state by applying 1. A voltage with high $$\frac{{{\text{dv}}}}{{{\text{dt}}}}$$ 2. Voltage greater than forward break over voltage 3. Negative gate current with positive anode voltage 4. Positive gate current with positive anode voltage Which of the following is correct? Which of the following is an 8-bit command in MC68HC11? What are the three stages included in pipelining of 80386? If the variance $$\sigma _x^2$$ of d(n) = x(n) - x(n - 1) is one-tenth the variance $$\sigma _x^2$$ of a stationary zero-mean discrete-time signal x(n), then the normalized autocorrelation function $$\frac{{{R_{xx}}\left( K \right)}}{{\sigma _x^2}}$$ at K = 1 is Which is the commonly used bulk substrate in nMOS fabrication?