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ID: 1766065 • Letter: 1
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v View ACROBAT Match Fields nish&Merge; to Previe inish Acroba ite&Insert; Field Merge PART 2 Muliple Choice Choose the best possible answer from among the choices(2 points each Every digital 1O pin of the Arduino Uno is coafigurable to do J input and PWM oaly JIaput and output T mput, output and PWM Joutput and PWM only A buffer amplitier has 1very high input resistance and a very low output resistance 1 very low input restance and a very high output resistance 1 Both of abore J None of abore A clamper circuit Lisolates or separates one circuit from another Jaccepts nwo roltages,V1 and V2 and outputs zero volts it V1> V2 or outputs a positive voltage level ifN> VL Llimits the output roltage to a specified range Jamplifes the input voltage with a gain of L A buffer is used for L limining the volragelevel t the output compare nvo input voltages and output the greater valueExplanation / Answer
1)Every io pin of arduino uno is capable of performing or configurable to do input,output and PWM function because the arduino pins are multifunctional and are capable of performing all the functions like receiving input,giving output and transferring pulses.
2)A buffer amplifier has a very high input resistance and very low output resistance. It is mainly modelled as a voltage controlled voltage source and in order to connect with other circuit it has low output resistance which shall not affect the voltage.
3)A clamper circuit is a one which accepts two voltages V1 and V2 and outputs zero volts if V1>V2 or outputs positive voltage when V2>V1. In general, a clamper circuit changes the dc level of the signal without changing the signal shape.It adds the negative part to the input or the positive part to the input signal or returns zero if either of the voltages are greater than the other.
4)A buffer is used for replicating the input voltage to the output without changing it. A buffer is mainly used for the purpose of introducing delays and it does not cause any change in the output.
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