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From the given circuit below, we can conclude t | |
A. | BJT is pnp [Wrong Answer] |
B. | BJT is npn [Wrong Answer] |
C. | transistor is faulty [Correct Answer] |
D. | not possible to determined [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ If f_{h}(t) is the Hilbert transform of f(t), and f(t) is a real valued signal, the pre-envelope of f(t) is
f(t) - jf_{h}(t)
f(t) + jf_{h}(t)
f_{h}(t) + jf(t)
f_{h}(t) - jf(t)
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
⇒ The number of tightly bound electrons in silicon atom are
14
10
6
4
⇒ In the circuit below, the diode is ideal. The voltage V is give
min(V_{i}, 1)
max(V_{i}, 1)
min (-V_{i}, 1)
max (-V_{i}, 1)
⇒ A plane EM wave is travelling in an unbound loss less dielectric having μ_{y} = 1 and ε_{y} = 4, the time average Poynting vector of the wave is 5 W/m^{3} . The phase velocity v_{p} (assuming velocity of light as 3 x 10^{8} m/sec) is
1.5 x 10^{8} m/sec
3 x 10^{8} m/sec
2.5 x 10^{8} m/sec
0.5 x 10^{8} m/sec
⇒ The applications of shift registers are
1, 2, 3
2, 3, 4
1, 2, 3, 4
1, 2, 4
⇒
A-3, B-4, C-1, D-2
A-4, B-3, C-1, D-2
A-3, B-4, C-2, D-1
A-1, B-2, C-3, D-4
⇒ The percentage limiting error in an instrument reading 8.3 V and having guaranteed accuracy of 1% of the full scale reading and range of 0-150 V is
0.0181
0.00181
0.181
0.000018
⇒ The life time of a geosynchronous communication
5
10
20
50
⇒ In a programmable counter
the starting number for counting can be programmed
the modulus can be programmed
both the starting number and modulus can be programmed
either the starting number or modulus can be programmed
⇒ The output of a half adder is
SUM
CARRY
SUM and CARRY
none of the above
⇒ When number of quantization levels are two; then the average transmission power in NRZ polar signaling is __________ that of NRZ unipolar signaling
42737
42739
42743
none of these
⇒ Which of the following material can be used in cable shields?
Copper
Aluminium
Cast iron
Lead
⇒ Consider the following statements:
(I) and (III)
(I) and (IV)
(II) and (III)
(II) and (IV)
⇒ The active elements on the positive and negative plates of lead acid battery are:
lead peroxide and lead
lead and lead peroxide
lead peroxide and lead sulphate
lead and lead
⇒ In a purely inductive ac circuit, the supply voltage and voltage induced across inductance are equal and opposite at all instants.
TRUE
FALSE
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ In all metals
conductivity decreases with increase in temperature
current flow by electrons as well as by holes
resistivity decreases with increase in temperature
the gap between valence and conduction bands is small
⇒ The simplest register is
buffer register
shift register
controlled buffer register
bidirectional register
⇒ In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?
El only
SIM only
El and SIM only
None
⇒ In a tungsten filament lamp
the current at the instant of switching is less than operating current
the current at the instant of switching is more than operating current
the current at the instant of switching is equal to operating current
the current at the instant of switching may be less than or equal to operating current
⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter
⇒ In op-amp integrating amplifier the input is feed to
inverting input
non-inverting input
both inverting and non-inverting input
either inverting or non-inverting input
⇒ The application of magnetic field to superconducting material
increases transition temperature
decreases transition temperature
has no effect on transition temperature
may increase or decrease the transition temperature
⇒ Binary multiplication 1 x 0 =
1
0
10
11
⇒ The materials having low retentivity are suitable for making
temporary smagnets
weak magnets
permanent magnets
both temporary and permanent magnets
⇒ For the differential equation (D^{3} - D^{2} + D -1) [y(t)] = 0 the root of auxiliary equation
-j, j, 1
-j, j, 2
1, 2, j
1, 2, -j
⇒ The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called
life cycle
recombination time
life time
half life
⇒ The video heads, in VCR, feed the other circuit
directly windings
through a transformer having two rotating windings
through a transformer having two stationary windings
through a transformer having one stationary and one rotatory winding
⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
increases
decreases
remains constant
may increases or decreases
⇒ If f_{h}(t) is the Hilbert transform of f(t), and f(t) is a real valued signal, the pre-envelope of f(t) is
f(t) - jf_{h}(t)
f(t) + jf_{h}(t)
f_{h}(t) + jf(t)
f_{h}(t) - jf(t)
⇒
Assertion (A): In hybrid digital circuits the problem of logic race can occur.
Reason (R): In two level logic there is no problem of logic race.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
⇒ The number of tightly bound electrons in silicon atom are
14
10
6
4
⇒ In the circuit below, the diode is ideal. The voltage V is give
min(V_{i}, 1)
max(V_{i}, 1)
min (-V_{i}, 1)
max (-V_{i}, 1)
⇒ A plane EM wave is travelling in an unbound loss less dielectric having μ_{y} = 1 and ε_{y} = 4, the time average Poynting vector of the wave is 5 W/m^{3} . The phase velocity v_{p} (assuming velocity of light as 3 x 10^{8} m/sec) is
1.5 x 10^{8} m/sec
3 x 10^{8} m/sec
2.5 x 10^{8} m/sec
0.5 x 10^{8} m/sec
⇒ The applications of shift registers are
- Time delay
- Ring counter
- Serial to parallel data conversion
- Serial to serial data conversion
1, 2, 3
2, 3, 4
1, 2, 3, 4
1, 2, 4
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Multiplexer | 1. | Sequential memory |
B. | De-multiplexer | 2. | Converts decimal number to binary |
C. | Shift register | 3. | Data selector |
D. | Encoder | 4. | Routes single input to many outputs |
A-3, B-4, C-1, D-2
A-4, B-3, C-1, D-2
A-3, B-4, C-2, D-1
A-1, B-2, C-3, D-4
⇒ The percentage limiting error in an instrument reading 8.3 V and having guaranteed accuracy of 1% of the full scale reading and range of 0-150 V is
0.0181
0.00181
0.181
0.000018
⇒ The life time of a geosynchronous communication
5
10
20
50
⇒ In a programmable counter
the starting number for counting can be programmed
the modulus can be programmed
both the starting number and modulus can be programmed
either the starting number or modulus can be programmed
⇒ The output of a half adder is
SUM
CARRY
SUM and CARRY
none of the above
⇒ When number of quantization levels are two; then the average transmission power in NRZ polar signaling is __________ that of NRZ unipolar signaling
42737
42739
42743
none of these
⇒ Which of the following material can be used in cable shields?
Copper
Aluminium
Cast iron
Lead
⇒ Consider the following statements:
- In the 2's complement representation, negative numbers are stored in sign magnitude form.
- Taking 2's complement is equivalent to sign change.
- In a 4 bit complement representation of a binary number A.
- In the 2's complement representation the most significant bit (MSB) is zero for a positive number.
(I) and (III)
(I) and (IV)
(II) and (III)
(II) and (IV)
⇒ The active elements on the positive and negative plates of lead acid battery are:
lead peroxide and lead
lead and lead peroxide
lead peroxide and lead sulphate
lead and lead
⇒ In a purely inductive ac circuit, the supply voltage and voltage induced across inductance are equal and opposite at all instants.
TRUE
FALSE
⇒
Assertion (A): In a CRT, grid is kept at negative potential with respect to cathode.
Reason (R): The function of grid in an electronic tube is to control the number of electrons.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ In all metals
conductivity decreases with increase in temperature
current flow by electrons as well as by holes
resistivity decreases with increase in temperature
the gap between valence and conduction bands is small
⇒ The simplest register is
buffer register
shift register
controlled buffer register
bidirectional register
⇒ In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?
El only
SIM only
El and SIM only
None
⇒ In a tungsten filament lamp
the current at the instant of switching is less than operating current
the current at the instant of switching is more than operating current
the current at the instant of switching is equal to operating current
the current at the instant of switching may be less than or equal to operating current
⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter
⇒ In op-amp integrating amplifier the input is feed to
inverting input
non-inverting input
both inverting and non-inverting input
either inverting or non-inverting input
⇒ The application of magnetic field to superconducting material
increases transition temperature
decreases transition temperature
has no effect on transition temperature
may increase or decrease the transition temperature
⇒ Binary multiplication 1 x 0 =
1
0
10
11
⇒ The materials having low retentivity are suitable for making
temporary smagnets
weak magnets
permanent magnets
both temporary and permanent magnets
⇒ For the differential equation (D^{3} - D^{2} + D -1) [y(t)] = 0 the root of auxiliary equation
-j, j, 1
-j, j, 2
1, 2, j
1, 2, -j
⇒ The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called
life cycle
recombination time
life time
half life
⇒ The video heads, in VCR, feed the other circuit
directly windings
through a transformer having two rotating windings
through a transformer having two stationary windings
through a transformer having one stationary and one rotatory winding
⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
increases
decreases
remains constant
may increases or decreases