# In the circuit shown below, the minimum output voltage V0 is, for Op-Amp Vio = 7.5 mV (maximum) Ii0 = 50 nA (maximum), IB = 250 nA (maximum).

1.  85mV

2.  85.5 mV

3.  0mV

4.  +Vcc or -VEE

4

85mV

Explanation :
No Explanation available for this question

# The exact location of Q point for the circuit shown below is, assume current gain ( β ) of the transistor is 100 and VBE = 0.65 V

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# For the circuit shown below, if R1 = 2kΩ, R2 = 4kΩ, RL = 3 kΩ, The value of I0 is, if Ii = 1 mA.

1.  1.5 mA

2.   -3 mA

3.   -1.5 mA

4.  -2.25 mA

4

-1.5 mA

Explanation :
No Explanation available for this question

# Determine the output voltage VCE for the circuit shown below. Assume β of the transistor is 50

1.  3.7 V

2.  6.14 V

3.  -3.7 V

4.  -6.14 V

4

-6.14 V

Explanation :
No Explanation available for this question

# A BJT is biased at ICQ = 0.25mA at 300K and its parameters are β0 = 100 and Cμ = 0.1 PF. If the beta cut off frequency is fβ =11.5 MHz then diffusion capacitance of the BJT is

1.  132.9PF

2.  1.23PF

3.  13.2PF

4.  None of these

4

1.23PF

Explanation :
No Explanation available for this question

# The Op-Amp circuit shown below is behave as

1.  Regenerative comparator

2.  Zero crossing detector

3.  Logarithmic amplifier

4.  Sample and hold circuit

4

Logarithmic amplifier

Explanation :
No Explanation available for this question

# Determine the required Ri

1.  20 kΩ

2.  20Ω

3.  2kΩ

4.  200Ω

4

200Ω

Explanation :
No Explanation available for this question

# For the circuit shown below the value of RB such that the quiescent voltage is 2.5V, assure VBE = 0.6V and β = 60

1.  90 KΩ

2.  180 KΩ

3.  4.8 KΩ

4.  190 KΩ

4

190 KΩ

Explanation :
No Explanation available for this question

# For the circuit shown below, the true relation between V01 and V02 is

1.  V01 = V02

2.  V02 = -V01

3.  V01 = 2V02

4.  2V01 = V02

4

V02 = -V01

Explanation :
No Explanation available for this question

# The variation of output voltage is

1.  9.8 V to 10.25 V

2.  9.9v + 0.10.35 V

3.  9.9 V to 10.25 V

4.  None

4