# The parallel RLC circuit shown in Fig.1.7 is in resonance. In this circuit

1.  |IR| < 1mA

2.  |IR +IL| < 1mA

3.  |IR +IC| < 1mA

4.  |IR +IC| > 1mA

4

|IR +IL| < 1mA

Explanation :
No Explanation available for this question

1.  T1/T0

2.  T1/2T0

3.  2T1/T0

4.  T0/T1

4

2T1/T0

Explanation :
No Explanation available for this question

1.   non-reciprocal and passive

2.  non-reciprocal and active

3.  reciprocal and passive

4.  reciprocal and active

4

non-reciprocal and active

Explanation :
No Explanation available for this question

# Two identical FETS, each characterized by the parameters gm and rd are connected in parallel.The composite FET is then characterized by the parameters

1.  gm/2 and 2rd

2.  gm/2 and rd /2

3.  2gm and rd /2

4.  2gm and 2rd

4

2gm and rd /2

Explanation :
No Explanation available for this question

# The voltage across the terminals a and b in Fig.1.11 is

1.  0.5 V

2.  3.0 V

3.  3.5 V

4.  4.0 V

4

3.5 V

Explanation :
No Explanation available for this question

# The electron and hole concentrations in a intrinsic semiconductor are ni and pi respectively.When doped with a p-type material, these change to n and p, respectively.Then

1.  n+p = ni+ pi

2.  n+ ni = p+ pi

3.  npi= nip

4.  np = nipi

4

np = nipi

Explanation :
No Explanation available for this question

# If fT of BJT is related to its gm,Cπ and Cμ as follows

1.  fT = (Cπ + Cµ )/ gm

2.  fT = eπ (Cπ + Cµ)/ gm

3.  fT = gm /(Cπ + Cµ)

4.  fT = gm /2π(Cπ + Cµ)

4

fT = gm /2π(Cπ + Cµ)

Explanation :
No Explanation available for this question

# The static characteristic of an adequately forward biased p-n junction is a straight line, if the plot is of

1.  log I vs. log V

2.  log I vs. V

3.  I vs. log V

4.  I vs. V

4

log I vs. V

Explanation :
No Explanation available for this question

# In a differential amplifier, CMRR can be improved by using an increased

1.  emitter resistance

2.  collector resistance

3.  power supply voltages

4.  source resistance

4

emitter resistance

Explanation :
No Explanation available for this question

# From a  measurement  of the  rise  time  of  the output  pulse  of  an  amplifier whose input  is  a  small   amplitude  square  wave,  one  can  estimate  the  following parameter of the amplifier

1.  gain-bandwidth product

2.  slow rate

3.  upper 3-dB frequency

4.  lower 3-dB frequency

4