Question 2
An Op Amp has the following ideal open loop values
A_v= ¥, R_in= 0, R_o= ¥
A_v= 0, R_in= 0, R_o= 0
A_v= -R_f /R₁, R_in= R₁, R_o= ¥
A_v= ¥, R_in= ¥, R_o= 0
   Next Q ¯

Question 3
Refer to the amplifier circuit shown below.

This circuit has
A_v= 23, R_in= ¥, R_o= 0
A_v = -22, R_in = 1k, R_o = 0
A_v = 22, R_in = 1k||22k, R_o = 23k
A_v = 22, R_in = 1k, R_o = ¥
   Next Q ¯

Question 4
Refer to the amplifier circuit shown below.

This circuit has
A_v= 16, R_in= ¥, R_o= 0
A_v = -15, R_in = 1k, R_o = 0
A_v = -16, R_in = 1k||15k, R_o = 16k
A_v = 15, R_in = 16k, R_o = 0
   Next Q ¯

Question 5
Refer to the amplifier circuit shown below.

This circuit has
V_o= +11.5V, R_in = 100k
V_o = +11.5V, R_in = ¥
V_o = -11V, R_in = 1k
V_o = -11.5V, R_in = ¥
   Next Q ¯

Question 6
Refer to the amplifier circuit shown below.

Calculate the value of V_inand select the correct alternative from those below
V_in= +909mV
V_in = -909mV
V_in = -1V
V_in = +1V
   Next Q ¯

Question 7
Refer to the amplifier circuit shown below.

Calculate the value of V_inand select the correct alternative from those below
V_in= +909mV
V_in = -909mV
V_in = -1V
V_in = +1V
   Next Q ¯

Question 8
Refer to the amplifier circuit shown below.

Calculate the value of R_f and pick the closest alternative from those below.
10k
14.2k
20k
12k
   Next Q ¯

Question 9
Refer to the amplifier circuit shown below.

Calculate the value of R₁ and pick the closest alternative from those below.
1k
2k
1.67k
2.2k
   Next Q ¯

Question 10
Refer to the circuit shown below.

This diagram represents
An inverting amplifier with A_v = -18
A non inverting amplifier with A_v = 19
A non inverting amplifier with A_v = 18
None of the above

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