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Consider the following statements
| |
A. | 1 and 2 [Wrong Answer] |
B. | 3 and 4 [Wrong Answer] |
C. | 1, 2, 3, 4 [Wrong Answer] |
D. | 1, 2 and 4 [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒
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
⇒ Read the following statements about 8085
1 and 2 only
1, 2 and 3 only
1, 2 and 4 only
1 and 4 only
⇒ The characteristic impedance of a cable is about
300 Ω
50 Ω
5 Ω
2 Ω
⇒ All poles and zeros of a driving point immittance function of an L-C network
should lie on the jω axis
should lie on the +ve real axis
should lie on the - ve real axis
can lie anywhere in s-plane
⇒ The merging of a hole and an electron is called
recombination
covalent bonding
thermal union
none of the above
⇒ A transmission line having 50 Ω impedance is terminated in a load of (40 + j 30) Ω. The VSWR is
j 0.033
0.8.+ j 0.6
1
2
⇒ While using Maxwell bridge, the Q factor of a coil is obtained as
1/ωCR
ωCR
ωC/R
R/ωC
⇒ The function shown in figure, can represent a probability density function for A _______
A = 1/4
A = 1/6
A = 1/9
A = 1/2
⇒ If E (i.e., available energy state) = E_{F}(i.e., Fermi level), then probability that state E will be occupied is 0.5 for any temperature T.
TRUE
FALSE
⇒ The multiplication of two n bit numbers gives a product of length less than or equal to
n bits
2^{n} bits
2n bits
2^{n} - 1 bits
⇒ (1111.11)_{2} is
(1.01)_{10}
(0.75)_{10}
(15.3)_{10}
(15.75)_{10}
⇒ In a homogeneous magnetic field H of a solenoid, the core carries a magnetic dipole moment M per unit volume equal to
μ_{0} H
μ_{r} H
(μ_{r} - 1) H
μ_{o}μ_{r} H
⇒ In following figure, what will be R_{1} and R_{2} for maximum symmetrical swing if V_{CSat} ≈ 0. Given that R_{E} = 200 Ω, R_{C} = 400 Ω, V_{CC} = 20 V, β
6 k
3 k, 6 k
9.9 k, 2.4 k
2.4 k, 9.9 k
⇒ A 0-200 V voltmeter has a sensitivity of 1 kΩ per volt. The resistance of voltmeter is
1 kΩ
200 kΩ
100 kΩ
50 kΩ
⇒ Bit is a unit of
entropy
information
channel capacity
rate of information
⇒ In which of the transformer is the secondary nearly short circuited under normal operating conditions?
CT
PT
Distribution transformer
Power transformer
⇒ A short vertical grounded antenna is required to radiate at 1 MHz. The effective height of the antenna is 302 m. The calculated value of radiation resistance is
1.58 Ω
158 Ω
15.8 Ω
none
⇒ If Y(s) = 1 + s, the network has
1 Ω resistor and 1 F capacitor in series
1 Ω resistor and 1 F capacitor in parallel
1 Ω resistor and 1 H inductor in series
1 Ω resistor and 1 H inductor in parallel
⇒ For a NPN bipolar transistor, what is the main stream of current in the base region?
Drift of holes
Diffusion of holes
Drift of electrons
Diffusion of electrons
⇒ Audio tapes have two tracks each 2.5 mm wide.
TRUE
FALSE
⇒ The noise margin of a TTL gate is about
0.2 V
0.4 V
0.6 V
0.8 V
⇒ System
causal
stable
non causal
anticausal
⇒ In an R-S latch, to set the output to high
R is low and S is high
R and S are high
R and S are low
R is high and S is low
⇒ Circular polarization
is useful in reducing depolarization effect on received wave
involves critical alignment of transmitting and receiving antenna
is useful in discrimination between reception of adjacent beams
none of the above
⇒ For very low frequencies, v_{0}/v_{i} in the given figure eq
1
0
∞
0.5
⇒ Oscillator crystal is made of
silicon
germanium
diamond
quartz
⇒ Current through a charging capacitor exhibits
an exponential growth function
an exponential decay function
a step decay function
a linear decay function
⇒ A 100 + j 100 Ω load is to be matched to a line with Z_{0} = 300 Ω to give SWR = 1. The reactance of stub is
j 200 Ω
-j 200 Ω
j 100 Ω
-j 100 Ω
⇒ There is no radiation at right angles to the plane of the array, is end fire array.
TRUE
FALSE
⇒ In a superheterodyne receiver
the IF stage has better selectivity than RF stage
the RF stage has better selectivity than IF stage
the RF stage has same selectivity than IF stage
none of the above
⇒
Assertion (A): Tristate logic is used for bus oriented systems
Reason (R): The outputs of a tristate logic are 0, 1 and indeterminant.
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
⇒ Read the following statements about 8085
RAL
instruction rotatesACC
contents left by 1 bit- When
RAL
instruction is executed once the binary number gets doubled STC
means setCY
to 1
1 and 2 only
1, 2 and 3 only
1, 2 and 4 only
1 and 4 only
⇒ The characteristic impedance of a cable is about
300 Ω
50 Ω
5 Ω
2 Ω
⇒ All poles and zeros of a driving point immittance function of an L-C network
should lie on the jω axis
should lie on the +ve real axis
should lie on the - ve real axis
can lie anywhere in s-plane
⇒ The merging of a hole and an electron is called
recombination
covalent bonding
thermal union
none of the above
⇒ A transmission line having 50 Ω impedance is terminated in a load of (40 + j 30) Ω. The VSWR is
j 0.033
0.8.+ j 0.6
1
2
⇒ While using Maxwell bridge, the Q factor of a coil is obtained as
1/ωCR
ωCR
ωC/R
R/ωC
⇒ The function shown in figure, can represent a probability density function for A _______
A = 1/4
A = 1/6
A = 1/9
A = 1/2
⇒ If E (i.e., available energy state) = E_{F}(i.e., Fermi level), then probability that state E will be occupied is 0.5 for any temperature T.
TRUE
FALSE
⇒ The multiplication of two n bit numbers gives a product of length less than or equal to
n bits
2^{n} bits
2n bits
2^{n} - 1 bits
⇒ (1111.11)_{2} is
(1.01)_{10}
(0.75)_{10}
(15.3)_{10}
(15.75)_{10}
⇒ In a homogeneous magnetic field H of a solenoid, the core carries a magnetic dipole moment M per unit volume equal to
μ_{0} H
μ_{r} H
(μ_{r} - 1) H
μ_{o}μ_{r} H
⇒ In following figure, what will be R_{1} and R_{2} for maximum symmetrical swing if V_{CSat} ≈ 0. Given that R_{E} = 200 Ω, R_{C} = 400 Ω, V_{CC} = 20 V, β
6 k
3 k, 6 k
9.9 k, 2.4 k
2.4 k, 9.9 k
⇒ A 0-200 V voltmeter has a sensitivity of 1 kΩ per volt. The resistance of voltmeter is
1 kΩ
200 kΩ
100 kΩ
50 kΩ
⇒ Bit is a unit of
entropy
information
channel capacity
rate of information
⇒ In which of the transformer is the secondary nearly short circuited under normal operating conditions?
CT
PT
Distribution transformer
Power transformer
⇒ A short vertical grounded antenna is required to radiate at 1 MHz. The effective height of the antenna is 302 m. The calculated value of radiation resistance is
1.58 Ω
158 Ω
15.8 Ω
none
⇒ If Y(s) = 1 + s, the network has
1 Ω resistor and 1 F capacitor in series
1 Ω resistor and 1 F capacitor in parallel
1 Ω resistor and 1 H inductor in series
1 Ω resistor and 1 H inductor in parallel
⇒ For a NPN bipolar transistor, what is the main stream of current in the base region?
Drift of holes
Diffusion of holes
Drift of electrons
Diffusion of electrons
⇒ Audio tapes have two tracks each 2.5 mm wide.
TRUE
FALSE
⇒ The noise margin of a TTL gate is about
0.2 V
0.4 V
0.6 V
0.8 V
⇒ System
causal
stable
non causal
anticausal
⇒ In an R-S latch, to set the output to high
R is low and S is high
R and S are high
R and S are low
R is high and S is low
⇒ Circular polarization
is useful in reducing depolarization effect on received wave
involves critical alignment of transmitting and receiving antenna
is useful in discrimination between reception of adjacent beams
none of the above
⇒ For very low frequencies, v_{0}/v_{i} in the given figure eq
1
0
∞
0.5
⇒ Oscillator crystal is made of
silicon
germanium
diamond
quartz
⇒ Current through a charging capacitor exhibits
an exponential growth function
an exponential decay function
a step decay function
a linear decay function
⇒ A 100 + j 100 Ω load is to be matched to a line with Z_{0} = 300 Ω to give SWR = 1. The reactance of stub is
j 200 Ω
-j 200 Ω
j 100 Ω
-j 100 Ω
⇒ There is no radiation at right angles to the plane of the array, is end fire array.
TRUE
FALSE
⇒ In a superheterodyne receiver
the IF stage has better selectivity than RF stage
the RF stage has better selectivity than IF stage
the RF stage has same selectivity than IF stage
none of the above