[1]. A non inverting closed loop op amp circuit generally has a gain factor

A. Less than one

**B. Greater than one**

C. Of zero

D. Equal to one

[2]. If ground is applied to the (+) terminal of an inverting op-amp, the (–) terminal will

A. Not need an input resistor

**B. Be virtual ground**

C. Have high reverse current

D. Not invert the signal

[3] The closed-loop voltage gain of an inverting amplifier equal to

A. The ratio of the input resistance to feedback resistance

B. The open-loop voltage gain

**C. The feedback resistance divided by the input resistance**

D. The input resistance

[4]. When a number of stages are connected in parallel, the overall gain is the product of the individual stage gains

A. True

**B. False**

[5]. An ideal OP-AMP is an ideal

a) Current controlled Current source

**b) Current controlled voltage source**

c) Voltage controlled voltage source

d) voltage controlled current source

[6]. The ideal OP-AMP has the following characteristics.

**a) Ri=∞ ,A=∞ ,R0=0**

b) Ri=0 ,A=∞ ,R0=0

c) Ri=∞ ,A=∞ ,R0=∞

d) Ri=0 ,A=∞ ,R0=∞

[7].Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05Μf

**A. 1.273kHz**

B. 12.73kHz

C. 127.3 kHz

D. 127.3 Hz

[8]. How many op-amps are required to implement this equation

A. 2

A. 2

**B. 3**

C. 4

D. 1

[9]. How many op-amps are required to implement this equation Vo = V1

A.4

B.3

C.2

**D.1**

[10]. An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is

A. 10 volts

B. 5 volts

C. 5/ volts

A. 10 volts

B. 5 volts

C. 5/ volts

D. 5/2 volts

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