For the circuit given below: (a) Derive the equation of Kirchhoff's Current Law for node a and node b (b) Derive the equation of Kirchhoff's Voltage Law for the path a-b-c-a that passes through resistor 502 (c) Derive the equation of Kirchhoff's Voltage Law for the path a-b-c-a that passes through current source 6A (note: just write down the equations using voltages and currents – no numerical solution is needed)

Q: 20 A 10 R, 30 v, 120 V 20 a

A: The circuit diagram is shown below,

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Up-down counter

In digital logic and computing, a counter is a device that stores (and sometimes displays) the number of times a particular event or process has occurred, often in relationship to a clock. A sequential digital logic circuit is the most common type with an input line or clock and multiple output lines. In the binary or binary-coded decimal (BCD) number system, the values on the input line represents a number by several flip-flops connected in a cascaded manner. They are manufactured as separate integrated circuits and are widely used components in digital circuits. These are also a part of larger integrated circuits. These are a specific type of sequential circuit like registers or the value of the flip-flops serving as the output.