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Which of the following characteristics of a silicon p-n junction diode make it suitable for use as ideal diode?
| |
A. | 1 and 2 [Wrong Answer] |
B. | 1, 2, 3, 4 [Correct Answer] |
C. | 2, 3, 4 [Wrong Answer] |
D. | 1, 3 [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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⇒ (SI - A)^{-1} = adj(sI - A)/det (sI - A)
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⇒ If f_{1} (t) and f_{2} (f) are two functions of time and a and b are constants, then
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L [af_{1}(t) + bf_{2}(t)] = aF_{1}(s) - bF_{2}(s)
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⇒ The response of a thermistor overs the whole of its temperatures range is
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nickel cadmium battery
lead acid battery
zinc carbon battery
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⇒ A Clapp's oscillator is
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a modified Colpitt's oscillator
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⇒ (SI - A)^{-1} = adj(sI - A)/det (sI - A)
TRUE
FALSE
⇒ If f_{1} (t) and f_{2} (f) are two functions of time and a and b are constants, then
L [af_{1}(t) + bf_{2}(t)] = aF_{1}(s) + bF_{2}(s)
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B. | y(n) = x(n^{2}) | 2. | Linear, non casual |
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⇒ The JFET in the circuit shown in figure has an I_{DSS} = 10 mA and V_{p} = -5V. The value of the resistance R_{s} for a drain current I_{DS} = 6.4 m
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⇒ T.V. antennas are usually
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A. | RC | 1. | High voltage gain and impedance matching |
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C. | Transformer | 3. | Minimum non-linear distortion |
D. | Direct | 4. | Low collector supply voltage can be used |
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voltage controlled current source
voltage controlled voltage source
current controlled current source
current controlled voltage source
⇒ An XOR gate with 8 variable is as foll
255
127
128
256
⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm^{2}/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm
⇒ For the network shown below, determine f_{Hi} and f_{HO}, if, r_{0} = ∞, C_{be} = 36 Pf, C_{bc} = 4 Pf, C_{ce} = 1 Pf, C_{wo} = 8 Pf, C_{wi} = 6 Pf<
738.24 KHz, 8.6 MHz
781.2 KHz, 10.6 MHz
838.32 KHz, 9.2 MHz
938.24 KHz, 8.2 MHz
⇒ In pulse code modulation, if the signal is sampled at the rate of f and the number of pulses in one code group is p, then the number of pulses per second will be
p/f
f/p
1/pf
pf
⇒ The response of a thermistor overs the whole of its temperatures range is
linear
non-linear
almost linear
either (a) or (c)
⇒
Assertion (A): Decoder is not a combinational circuit.
Reason (R): Every memory element of semi conductor form has a decoder.
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
⇒ If V = 20 + j20, then log_{e}(A) A is
3.342 + j 45
28.28 ∠45°
400 ∠45°
3.342 + j 0.785
⇒ A three state switch has three outputs. These are
low, low and high
low, high, high
low. floating, low
low, high, floating
⇒ In the circuit shown in figure, I_{s} = 4A, V_{s} = 4, the voltage V is give
6 V
8 V
4 V
2 V
⇒ The h parameter equivalent to ac resistance r_{e} is
h_{ib}
h_{fe}
h_{ob}
h_{rb}
⇒ The depth of penetration at 4 MHz is 10 cm, then at 2.5 MHz it is
62.5 cm
13 cm
6.25 cm
8 cm
⇒ Two identical NMOS transistors M_{1} and M_{2} are connected as shown below. V_{bias} is chosen so that both transistors are in saturation. The equivalent g_{m} of the pair is defined t
the sum of individual g_{m}'s of the transistors
the product of individual g_{m}'s of the transistors
nearly equal to the g_{m} of M_{1}
nearly equal to g_{m} / g_{0} of M_{2}
⇒ In Pascal if I = 45, I div 10 * 10 =
45
40
0.45
0.4
⇒ The addressing mode depicted in the given figur
direct
register
register indirect
immediate
⇒ Typical values of h parameters at about 1 mA collector current for small signal audio amplifier in CE configuration are :
h_{ie} = 100 Ω, h_{re} = 10^{-1}, h_{fe} = 50, h_{oe} = 1 m mho
h_{ie} = 5 kΩ, h_{re} = 10^{-4}, h_{fe} = 200, h_{oe} = 20 m mho
h_{ie} = 5 kΩ, h_{re} = 0, h_{fe} = 50, h_{oe} = 2 m mho
h_{ie} = 100 kΩ, h_{re} = 10^{-2}, h_{fe} = 100, h_{oe} = 10 m mho
⇒ For a core having a relative permeability μ_{r}, magnetic dipole moment per unit volume M and field strength H, the flux density B is
B = μ_{r} (H + M)
B = μ_{0} (H + M)
B = μ_{0}μ_{r} (H + M)
B = μ_{0}μ_{r} (H - M)
⇒ A dc network has an open circuit voltage of 5 V. When its terminals are short circuited a current of 5 A flows through the short circuit. If the short circuit is removed and a resistance of 1.5 Ω is connected across its terminals, the current will be
0.0416666666666667
0.0833333333333333
2.5 A
0.208333333333333
⇒ An oscillator requires an amplifier
with negative feedback
with positive feedback
with either positive or negative feedback
none of the above
⇒ Yettrium-iron garnet (Y_{2}Fe_{5}O_{12}) is a soft magnetic material suitable for applications involving
dc
50 Hz ac
ac of a few K Hz
ac of a few hundred MHz