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Assertion (A): Synchronous counter has higher speed of operation than ripple counter Reason (R): Synchronous counter uses high speed flip flops. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is true, R is false [Correct Answer] |
D. | A is false, R is true [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 :
⇒ Given below a block diagram of oscillator circuit with various reactance elemen
x_{1} = C, x_{2} = L, x_{3} = C
x_{1} = C, x_{2} = L, x_{3} = L
x_{1} = C, x_{2} = C, x_{3} = L
x_{1} = L, x_{2} = C, x_{3} = L
⇒ If the network in figure (1), (2) are equivalent at terminals A - B, then voltage V and resistance R
100V and 12 Ω
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⇒ The current through R_{1} is(If β = 99, V_{BE} = 0.7
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⇒ Given below a block diagram of oscillator circuit with various reactance elemen
x_{1} = C, x_{2} = L, x_{3} = C
x_{1} = C, x_{2} = L, x_{3} = L
x_{1} = C, x_{2} = C, x_{3} = L
x_{1} = L, x_{2} = C, x_{3} = L
⇒ If the network in figure (1), (2) are equivalent at terminals A - B, then voltage V and resistance R
100V and 12 Ω
60V and 12 Ω
100V and 30 Ω
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⇒ The current through R_{1} is(If β = 99, V_{BE} = 0.7
0.1 mA
0.35 mA
0.2 mA
none
⇒ If the bandwidth is increased by 2, the γ_{FM} γ_{AM} (where γ is the ratio of SNR of output to SNR at input, FM is frequency modulation and AM is amplitude modulation) is increased by a factor of
2
3
4
6
⇒ The distance of poles from origin depends on
undamped natural frequency
damping ratio
both (a) and (b)
neither (a) nor (b)
⇒ A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.
gate, drain
drain, gate
current, voltage
voltage, current
⇒ The circuits with active pull up are preferred because of their stability for
wired - AND operation
wired - OR operation
bus operated system
reasonable dissipation and speed of operation
⇒ When analysing two port networks in parallel it is more convenient to use
z parameters
h parameters
T parameters
y parameters
⇒ The conduction band is
same as forbidden energy gap
generally located on the top of the crystal
generally located on the bottom of the crystal
a range of energies corresponding to the energies of the free electrons
⇒ When a circuit is excited by ac sinusoidal source, the admittance is obtained by letting s = jω in Y(s).
TRUE
FALSE
⇒ The phase angle curve of G(jω) H(jω) can be drawn
by adding the phase angle curves of individual factors
by subtracting the phase angle curves of individual factors
by multiplying the phase angle curves of individual factors
by dividing the phase angle curves of individual factors
⇒ A circuit is fed by two sources of different frequency and magnitudes 100 ∠0° V and 50 ∠30°V. The current in a particular branch is 10 ∠20° A. If the magnitudes of the sources are changed to 200 ∠0° V and 100 ∠0° V, the current in that branch should be
20 ∠20° A
10 ∠20° A
14.14 ∠20° A
10 ∠- 20° A
⇒ In figure, V_{C} is approximately equa
2 V
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8 V
7.6 V
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Assertion (A): Magnetic susceptibility of copper is -0.5 x 10^{-5}.
Reason (R): Copper is diamagnetic material.
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 but R is false
A is false but R is true
⇒ If both emitter base and collector base junctions of a BJT are forward biased, the transistor is in
active region
saturated region
cut off region
inverse mode
⇒ An AM signal is detected using an envelope detector, the carrier frequency and modulating signal frequency are 1 MHz and 2 kHz respectively. An appropriate value for the time constant of the envelope detector is
500 μ sec
20 μ sec
0.2 μ sec
1 μ sec
⇒ Which of the following input is not possible in case of a SR flip-flop?
S = 0, R = 0
S = 0, R = 1
S = 1, R = 0
S = 1, R = 1
⇒ The amount of photoelectric emission current depends on the frequency of incident light.
TRUE
FALSE
⇒ A negative-feedback closed-loop system is supplied to an input 5 V. The system has a forward gain of 1 and a feedback gain of 1 and a feedback gain of 1. What is the output voltage?
1.0 V
1.5 V
2.0 V
2.5 V
⇒ Magnetic effect of current is used in
ammeters
voltmeters
wattmeters
ammeters, voltmeters, wattmeters and energy meters
⇒ The relaxation time of electrons in a metal is of the order of
10^{-6} secs
10^{-10} secs
10^{-14} secs
10^{-20} secs
⇒ The p mode of operation of magnetron signifies that
the phase difference between adjacent anode poles is p radians
the phase difference between adjacent anode poles is a multiple of p radians
the total phase shift around the periphery is p radians
none of the above
⇒ Which mode has the lowest cut off frequency in circular wave guides?
TE_{01}
TE_{11}
TE_{20}
TE_{21}
⇒ 'Rotate instruction' in microprocessor belongs to
data transfer group
arithmetic group
logic group
branch group
⇒ The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be
1/100
1/200
1/300
1/600
⇒ A (75 - j 40) W load is connected to a co-axial line of z_{0} = 75ω at 6 MHz. The load matching on the line can be accomplished by connecting
a short circuit stub at the load
an inductance at the load
a short circuit stub at a specific distance from the load
a capacitance at a specific distance from the load
⇒ Some features of RF stage in good radio receivers is
- It increases sensitivity by providing amplification to RF signal
- It eliminates image frequency interference
- It increases selectivity
- It reduces noise level
1, 2 and 3 only
1, 2 and 4 only
2, 3, 4 only
1, 2, 3, 4
⇒ The eigen values of a skew symmetric matrix are
always zero
always pure imaginary
either zero or pure imaginary
always real
⇒ The entries in the first column of Routh array of a fourth order are 5, 2, - 0.1, 2, 1. The number of poles in the right half plane are
1
2
3
4
⇒ In the circuit, S was initially open. At time t = 0, S is closed. When the current through the inductor is 6 A, the rate of change of current through the resistor is 6 A/s. The value of the inductor woul
1 H
2 H
3 H
4 H