Electronic Systems Thinking and Circuits, End Term

January 2026 term, 10 May 2026, Set 1

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Question 1

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If an ADC quantizes the input voltage range from 0 to 2 V into 10 levels, its step size (Δ) is 0.20 V.

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If an ADC quantizes the input voltage range from 0 to 2 V into 10 levels, its step size (Δ) is 0.20 V. Two incandescent bulbs rated at 40 W (at 230 V) and 60 W (at 230 V) are connected in series across a 230 V supply. The total power consumed is 100 W. Consider a network consisting of several ideal resistors and an ideal voltage source. A current I flows through a resistor R in the network. If the value of the voltage source is doubled, the current through R also doubles.