Circuit lab Working On a Project With a Fixed dc Voltage Source

Assume you’re in your circuit lab working on a project with a fixed dc voltage source. In your project, you must include a buzzer that will decay and increase its sound at regular intervals determined by the time constant of the
RC
circuit. The
RC
circuit shown here is a prototype for your project. Two resistor values
[R1=4.7 K−Ohm,R2=(3rd
and 4 th digits of your ID) Circuit lab Working On a Project With a Fixed dc Voltage Source
K
Ohm] and
0.1

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micro-farad capacitor. ** Fixed voltage source= Sum of last two digits of your student ID) Figere-1 A. Find the equivalent thevenin voltage and resistance using practical multimeter and hand calculation value. Find the error. [include the screen shot of multimeter values] (5) B. Find the time constant of your circuit using hand calculation and verify it using oscilloscope. [Include the screen shot of oscilloscope values] C. Simulate your circuit in PSIM/circuit maker/Proteus and show the transient response of voltage across capacitor and equivalent resistor D. Is it possible to hear the variation of sound of buzzer? if no what change we can expect from the circuit components values
(R1,R2,C)
? (2) Circuit lab Working On a Project With a Fixed dc Voltage Source