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In the 741 op amp. pin #2 is the ____ input.


A) diverting
B) inverting
C) restricting
D) polling

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B

In the ____ circuit, the output voltage is the same polarity as the input voltage.


A) rectifying bridge
B) inverting amplifier
C) voltage follower
D) noninverting amplifier

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Some op amps use bipolar transistors and others use field effect transistors (FETs) for the input.

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The input impedance value of FETs can be several thousand ____.


A) kilohms
B) megawatts
C) megohms
D) kilovolts

Correct Answer

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Op amps differ, depending on the circuit that it is intended to operate.

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As a rule, the 741 operational amplifier is not operated below a gain of 100.

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False

In the inverting amplifier circuit, the output of the op amp is connected directly back to the inverting  input.

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The open loop gain of the 741 operational amplifier is about 100,000.

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False

FETs have extremely high ____.


A) input impedance
B) output current
C) input resistance
D) output voltage

Correct Answer

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In the ____ circuit, the output voltage is opposite in polarity to the input voltage.


A) rectifying bridge
B) inverting amplifier
C) voltage follower
D) noninverting amplifier

Correct Answer

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