It is required to connect a transducer having an open-circuit voltage of 1 V and a source resistance of 1 MΩ to a load of 1-kΩ resistance. Find the load voltage if the connection is done (a) directly and (b) through a unity-gain voltage follower.

0.1 μV and 0.1 mV respectively

directly and (b) through a unity-gain voltage follower.a) 1 μV and 1 mV respectively

through a unity-gain voltage follower.a) 1 μV and 1 mV respectivelyb) 1 mV and 1 V respectively

0.1 μV and 0.1 mV respectively

The gain for an ideal non-inverting operational amplifier is (given R2 is the feedback resistance)

R2/R1 – 1b) R2/R1c) -R2/R1d) R2/R1 + 1

For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v0) to input voltage (vi) is (given R2 is the feedback resistance)a) (1+R2/R1)/(1+((1+R2/R1)/A))b) (R2/R1)/(((1+R2/R1)/A))c) (1+R2/R1)/(((1+R2/R1)/A))d) (R2/R1)/(1+((1+R2/R1)/

(1+R2/R1)/(1+((1+R2/R1)/A))b) (R2/R1)/(((1+R2/R1)/A))c) (1+R2/R1)/(((1+R2/R1)/A))d) (R2/R1)/(1+((1+R2/R1)/A))

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0.1 ‚âà√≠¬¨‚à´V and 0.1 mV respectively

1 ‚âà√≠¬¨‚à´V and 1 mV respectively

0.1 ‚âà√≠¬¨‚à´V and 0.1 mV respectively

For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 ‚âà√≠¬¨‚à´A the resistance required are R1 and R2 where R2 is used to provide negative feedback. The?#

R1 = 0.5 k‚âà√≠¬¨¬© and R2 = 0.5 k‚âà√≠¬¨¬©

R1 = 0.5 M‚âà√≠¬¨¬© and R2 = 0.5 M‚âà√≠¬¨¬©

R1 = 0.5 k‚âà√≠¬¨¬© and R2 = 0.5 k‚âà√≠¬¨¬©

R1 = 5 M‚âà√≠¬¨¬© and R2 = 5 M‚âà√≠¬¨¬©

R1 = 5 k‚âà√≠¬¨¬© and R2 = 5 k‚âà√≠¬¨¬©

Which of the following is not true for a voltage follower amplifier?

Input voltage is equal to output voltage

Input resistance is infinite and output resistance is zero

The gain for an ideal non-inverting operational amplifier is (given R2 is the feedback resistance)

R2/R1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1

For ideal non-inverting operational amplifier

Input resistance is zero and output resistance is infinite

Input and output resistances are infinite

Input resistance is infinite and output resistance is zero

Input resistance is zero and output resistance is infinite

Input and output resistances are zero

In the non-inverting configuration of operational amplifier

The negative terminal is connected to the power source

The positive terminal is connected to the ground directly

The negative terminal is connected to the ground directly

The positive terminal is connected to the power source

The negative terminal is connected to the power source

16 + Mcqs in Non Inverting Configuration in Electronic Devices Circuits Page 1 McqOptions

1.	Consider the figure given below. If the resistance R1 is disconnected from the ground and connected to a third power source v3, then expression for the value ofv0 is
A.	2v1 + 4v2 − 3v3
B.	6v1 + 8v2 − 3v3
C.	6v1 + 4v2 − 9v3
D.	3v1 + 4v2 − 3v3
Answer» D. 3v1 + 4v2 − 3v3

Discussion

2.	It is required to connect a transducer having an open-circuit voltage of 1 V and a source resistance of 1 MΩ to a load of 1-kΩ resistance. Find the load voltage if the connection is done (a) directly and (b) through a unity-gain voltage follower.
A.	directly and (b) through a unity-gain voltage follower.a) 1 μV and 1 mV respectively
B.	through a unity-gain voltage follower.a) 1 μV and 1 mV respectivelyb) 1 mV and 1 V respectively
C.	0.1 μV and 0.1 mV respectively
D.	0.1 mV and 0.1 V respectively
Answer» C. 0.1 μV and 0.1 mV respectively

Discussion

3.	For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 μA the resistance required are R1 and R2 where R2 is used to provide negative feedback. Then
A.	R1 = 0.5 MΩ and R2 = 0.5 MΩ
B.	R1 = 0.5 kΩ and R2 = 0.5 kΩ
C.	R1 = 5 MΩ and R2 = 5 MΩ
D.	R1 = 5 kΩ and R2 = 5 kΩ
Answer» B. R1 = 0.5 kΩ and R2 = 0.5 kΩ

Discussion

4.	The finite voltage gain of a non-inverting operational amplifier is A and the resistance used is R1 and R2 in which R2 is the feedback resistance. Under what conditions it can one use the expression 1 + R2/R1 to determine the gain of the amplifier?
A.	A ~ R2/R1
B.	A >> R2/R1
C.	A << R2/R1
D.	None of the mentioned
Answer» C. A << R2/R1

Discussion

5.	While performing an experiment to determine the gain for an ideal operational amplifier having finite gain, a student mistakenly used the equation 1 + R2/R1 where R2 is the feedback resistance. What is the percentage error in his result? Given A is the finite voltage gain of the ideal amplifier used.
A.	(R2/R1)/(A+ R2/R1) X 100%
B.	(1+R2/R1)/(A+R2/R1) X 100%
C.	(1+R2/R1)/(A+1+R2/R1) X 100%
D.	(R2/R1)/(A+1+R2/R1) X 100%
Answer» D. (R2/R1)/(A+1+R2/R1) X 100%

Discussion

6.	The gain for an ideal non-inverting operational amplifier is (given R2 is the feedback resistance)
A.	R2/R1 – 1
B.	R2/R1
C.	-R2/R1
D.	R2/R1 + 1
E.	R2/R1 – 1b) R2/R1c) -R2/R1d) R2/R1 + 1
Answer» E. R2/R1 – 1b) R2/R1c) -R2/R1d) R2/R1 + 1

Discussion

7.	For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v0) to input voltage (vi) is (given R2 is the feedback resistance)a) (1+R2/R1)/(1+((1+R2/R1)/A))b) (R2/R1)/(((1+R2/R1)/A))c) (1+R2/R1)/(((1+R2/R1)/A))d) (R2/R1)/(1+((1+R2/R1)/
A.	(1+R2/R1)/(1+((1+R2/R1)/A))
B.	(R2/R1)/(((1+R2/R1)/A))
C.	(1+R2/R1)/(((1+R2/R1)/A))
D.	(R2/R1)/(1+((1+R2/R1)/A))
E.	(1+R2/R1)/(1+((1+R2/R1)/A))b) (R2/R1)/(((1+R2/R1)/A))c) (1+R2/R1)/(((1+R2/R1)/A))d) (R2/R1)/(1+((1+R2/R1)/A))
Answer» B. (R2/R1)/(((1+R2/R1)/A))

Discussion

8.	IT_IS_REQUIRED_TO_CONNECT_A_TRANSDUCER_HAVING_AN_OPEN-CIRCUIT_VOLTAGE_OF_1_V_AND_A_SOURCE_RESISTANCE_OF_1_M‚ÂÀ√≠¬¨¬©_TO_A_LOAD_OF_1-K‚ÂÀ√≠¬¨¬©_RESISTANCE._FIND_THE_LOAD_VOLTAGE_IF_THE_CONNECTION_IS_DONE_(A)_DIRECTLY_AND_(B)_THROUGH_A_UNITY-GAIN_VOLTAGE_FOLLOWER.?$#
A.	1 ‚âà√≠¬¨‚à´V and 1 mV respectively
B.	1 mV and 1 V respectively
C.	0.1 ‚âà√≠¬¨‚à´V and 0.1 mV respectively
D.	0.1 mV and 0.1 V respectively
Answer» C. 0.1 ‚âà√≠¬¨‚à´V and 0.1 mV respectively

Discussion

9.	For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 ‚âà√≠¬¨‚à´A the resistance required are R₁ and R₂ where R₂ is used to provide negative feedback. The?#
A.	R<sub>1</sub> = 0.5 M‚âà√≠¬¨¬© and R<sub>2</sub> = 0.5 M‚âà√≠¬¨¬©
B.	R<sub>1</sub> = 0.5 k‚âà√≠¬¨¬© and R<sub>2</sub> = 0.5 k‚âà√≠¬¨¬©
C.	R<sub>1</sub> = 5 M‚âà√≠¬¨¬© and R<sub>2</sub> = 5 M‚âà√≠¬¨¬©
D.	R<sub>1</sub> = 5 k‚âà√≠¬¨¬© and R<sub>2</sub> = 5 k‚âà√≠¬¨¬©
Answer» B. R<sub>1</sub> = 0.5 k‚âà√≠¬¨¬© and R<sub>2</sub> = 0.5 k‚âà√≠¬¨¬©

Discussion

10.	Which of the following is not true for a voltage follower amplifier?
A.	Input voltage is equal to output voltage
B.	Input resistance is infinite and output resistance is zero
C.	It has 100% negative feedback
D.	None of the mentioned
Answer» E.

Discussion

11.	The finite voltage gain of a non-inverting operational amplifier is A and the resistance used is R₁ and R₂ in which R₂ is the feedback resistance. Under what conditions it can one use the expression 1 + R₂/R₁ to determine the gain of the amplifier?
A.	A ~ R<sub>2</sub>/R<sub>1</sub>
B.	A >> R<sub>2</sub>/R<sub>1</sub>
C.	A << R<sub>2</sub>/R<sub>1</sub>
D.	None of the mentioned
Answer» C. A << R<sub>2</sub>/R<sub>1</sub>

Discussion

12.	While performing an experiment to determine the gain for an ideal operational amplifier having finite gain, a student mistakenly used the equation 1 + R₂/R₁ where R₂ is the feedback resistance. What is the percentage error in his result? Given A is the finite voltage gain of the ideal amplifier used.
A.	(R2/R1)/(A+ R2/R1) X 100%
B.	(1+R2/R1)/(A+R2/R1) X 100%
C.	(1+R2/R1)/(A+1+R2/R1) X 100%
D.	(R2/R1)/(A+1+R2/R1) X 100%
Answer» D. (R2/R1)/(A+1+R2/R1) X 100%

Discussion

13.	The gain for an ideal non-inverting operational amplifier is (given R₂ is the feedback resistance)
A.	R<sub>2</sub>/R<sub>1</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1
B.	R<sub>2</sub>/R<sub>1</sub>
C.	-R<sub>2</sub>/R<sub>1</sub>
D.	R<sub>2</sub>/R<sub>1</sub> + 1
Answer» E.

Discussion

14.	For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v₀) to input voltage (v_i) is (given R₂ is the feedback resistance)
A.	(1+R2/R1)/(1+((1+R2/R1)/A))
B.	(R2/R1)/(((1+R2/R1)/A))
C.	(1+R2/R1)/(((1+R2/R1)/A))
D.	(R2/R1)/(1+((1+R2/R1)/A))
Answer» B. (R2/R1)/(((1+R2/R1)/A))

Discussion

15.	For ideal non-inverting operational amplifier
A.	Input and output resistances are infinite
B.	Input resistance is infinite and output resistance is zero
C.	Input resistance is zero and output resistance is infinite
D.	Input and output resistances are zero
Answer» C. Input resistance is zero and output resistance is infinite

Discussion

16.	In the non-inverting configuration of operational amplifier
A.	The positive terminal is connected to the ground directly
B.	The negative terminal is connected to the ground directly
C.	The positive terminal is connected to the power source
D.	The negative terminal is connected to the power source
Answer» D. The negative terminal is connected to the power source

Discussion

Explore topic-wise MCQs in Electronic Devices Circuits.

Consider the figure given below. If the resistance R1 is disconnected from the ground and connected to a third power source v3, then expression for the value ofv0 is

It is required to connect a transducer having an open-circuit voltage of 1 V and a source resistance of 1 MΩ to a load of 1-kΩ resistance. Find the load voltage if the connection is done (a) directly and (b) through a unity-gain voltage follower.

For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 μA the resistance required are R1 and R2 where R2 is used to provide negative feedback. Then

The finite voltage gain of a non-inverting operational amplifier is A and the resistance used is R1 and R2 in which R2 is the feedback resistance. Under what conditions it can one use the expression 1 + R2/R1 to determine the gain of the amplifier?

The gain for an ideal non-inverting operational amplifier is (given R2 is the feedback resistance)

For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v0) to input voltage (vi) is (given R2 is the feedback resistance)a) (1+R2/R1)/(1+((1+R2/R1)/A))b) (R2/R1)/(((1+R2/R1)/A))c) (1+R2/R1)/(((1+R2/R1)/A))d) (R2/R1)/(1+((1+R2/R1)/

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For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 ‚âà√≠¬¨‚à´A the resistance required are R1 and R2 where R2 is used to provide negative feedback. The?#

Which of the following is not true for a voltage follower amplifier?

The finite voltage gain of a non-inverting operational amplifier is A and the resistance used is R1 and R2 in which R2 is the feedback resistance. Under what conditions it can one use the expression 1 + R2/R1 to determine the gain of the amplifier?

The gain for an ideal non-inverting operational amplifier is (given R2 is the feedback resistance)

For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v0) to input voltage (vi) is (given R2 is the feedback resistance)

For ideal non-inverting operational amplifier

In the non-inverting configuration of operational amplifier

For designing a non-inverting amplifier with a gain of 2 at the maximum output voltage of 10 V and the current in the voltage divider is to be 10 ‚âà√≠¬¨‚à´A the resistance required are R₁ and R₂ where R₂ is used to provide negative feedback. The?#

The finite voltage gain of a non-inverting operational amplifier is A and the resistance used is R₁ and R₂ in which R₂ is the feedback resistance. Under what conditions it can one use the expression 1 + R₂/R₁ to determine the gain of the amplifier?

The gain for an ideal non-inverting operational amplifier is (given R₂ is the feedback resistance)

For an ideal non-inverting operational amplifier having finite gain (A), the ratio of output voltage (v₀) to input voltage (v_i) is (given R₂ is the feedback resistance)