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Assertion (A): Schottky transistors are preferred over normal transistors in digital circuits Reason (R): A Schottky transistor when used as a switch, between cutoff and active region. | |
A. | Both A and R are correct and R is correct explanation of A [Correct 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 [Wrong Answer] |
D. | A is false, R is true [Wrong Answer] |
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Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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isolation
conducting path.
⇒ In a tape recorder
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⇒ The z transform of sequence x[n] = {2, 4, 3, 2}
2z^{-1} + 4z^{-2} + 3 + 2z^{+1}
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Selectivity will be poor
Tracking difficulties will be least
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⇒ An impulse function consist of
pure dc
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entire frequency range with constant phase
infinite bandwidth with linear phase vaariations
⇒ For a 12 pulse operation, the two 6 pulse units are fed by
Y - Y and Y - Y transformers
Δ - Δ and Δ - Δ transformers
Y - Y and Y - Δ transformers
Y - Δ and Y - Δ transformers
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TRUE
FALSE
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Digital counter
Decoder
Demultiplexer
Multiplexer
⇒ In an RLC series circuit having finite values of RLC, the phase difference between applied voltage and current is
always 0°
between 0 and 180°
between 0 and 90°
always 90°
⇒ In cell communication
carrier frequency change
carrier frequency constant
depend upon location
depend upon geographical area
⇒ 1274_{16} - 3A7_{16} = __________ .
ACA_{16}
ACB_{16}
ECD_{16}
AAA_{16}
⇒ As compared to an ordinary semiconductor diode, a Schottky diode
has higher reverse saturation current
has higher reverse saturation current and higher cut in voltage
has higher reverse saturation current and lower cut in voltage
has lower reverse saturation current and lower cut in voltage
⇒ A series RL circuit is excited by a voltage v(t) = V_{m }sin (ωt + Φ). The transient current will be zero if
Φ = 0
ω = 0
Φ = tan^{-1} (ωL/R)
ω - tan^{-1} (ωL/R) = p/2
⇒ In the self biasing scheme (R_{F} across collector to base) of BJT, S_{1} tends to unity by __________ R_{C} is the collector load Resistance.
increasing R_{F}
decreasing R_{F}
decreasing R_{F} and increasing R_{C}
increasing R_{F} and decreasing R_{C}
⇒ Photo electric emission can occur only if
wave length of incident radiation is equal to threshold value
wave length of incident radiation is less than threshold value
frequency of incident radiation is less than threshold frequency
none of the above
⇒ The addressing mode depicted in the given figur
direct
register
register indirect
immediate
⇒ The radiation resistance of a doublet antenna of length dl is proportional to
δ l
(δ l)^{2}
(δ l)^{3}
(δ l)^{05}
⇒ The given figure shows a K-map for a Boolean function. The number of essential prime implicant
4
5
6
8
⇒ If R(t) is autocorrelation of a waveform v(t) and R(0) is autocorrelation for t = 0, then
R(0) > R(t)
R(0) ≥ R(t)
R(0) < R(t)
R(0) ≤ R(t)