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Electronics and Communication Materials And Components Difficulty: Medium

What is the ratio of thermal conductivity to electrical conductivity equal to?

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The dissipation at the collector is zero in the quiescent state and increase with excitation in the case of a During transmission over a communication channel, bit errors occur independently with probability p. If a block of n bits is transmitted, the probability of at most one bit error is equal to The electric field inside a metal is always . . . . . . . . In binary data transmission DPSK is preferred to PSK because 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?