Question is ⇒ When a power diode is conducting, the voltage drop across it is about, Options are ⇒ (A) I V, (B) 5 V, (C) 20 V, (D) 50 V, (E) , Leave your comments or Download question paper.

Question is ⇒ When a power diode is conducting, the voltage drop across it is about, Options are ⇒ (A) I V, (B) 5 V, (C) 20 V, (D) 50 V, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	When a power diode is conducting, the voltage drop across it is about
A.	I V [Correct Answer]
B.	5 V [Wrong Answer]
C.	20 V [Wrong Answer]
D.	50 V [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Which of the following is basically a voltage controlled capacitance?
Zener diode
Diode
Varactor diode
LED

⇒ The reason for glitches on the outputs of decoding gates on a synchronous counter is
FFs changing states together
FFs changing states one at a time
AND gates not functioning properly
none of the above

⇒ Which of the following devices is a 'hot-electron' diode?
Thermionic tube diode
Schottky-Barrier diode
Thomson-Deletion diode
Thermal electron diode

⇒ In a loss-less transmission line
R << ω L; G << ω C
R = ω L, G = ω C
R >> ω L; G >> ω C
none of the above

⇒ The audio frequency range is
5 Hz to 1 kHz
50 Hz to 20 kHz
16 Hz to 20 kHz
0 Hz to 20 kHz

⇒ A 3 phase star-connected load has one capacitor C in R phase and two equal resistances in Y and B phases.The phase sequence is RBY. Then
V_B0 > V_Y0
V_B0 < V_Y0
V_B0 = V_Y0
V_B0 = V_BY

⇒ The PAM Signal can be detected by
Band pass filter
Band stop filter
High pass filter
Low pass filter

⇒ A transistor may fail due to
open weld at the wire leads to the semi-conductor
short circuit caused by momentary overloads
overheating due to circuit failures
any of the above

⇒ How many different BCD number can be stored in a register containing 12 switches using an 8, 4, 2, 1 code?
99
100
999
1000

⇒ If the output current wave shape of class C circuit has a period of 1 μs and a pulse width of 0.006 μs, the duty cycle is
0.06
0.006
0.00006
0.0006

⇒ In a varistor the v-i graph is linear.
TRUE
FALSE

⇒ In a TV receiver antenna the length of reflector rod
is the same as that of dipole
is less than that of dipole
is more than that of dipole
may be equal, more or less than that of dipole

⇒ Limiter is not essential in the following detector
foster-Seeley
ratio detector
balanced
none of the above

⇒ Consider the frequency modulated signal 10 cos (2p x 10⁵t + 5 sin (2p x 1500t) + 7.5 sin (2p x 1000t) with carrier frequency of 10⁵Hz. The modulation index is
12.5
10
7.5
5

⇒ The inverse Laplace transform of 1/(s - a)² is
e^at
t e^at
t² e^at
e^at/t

⇒ As the number SWG increases, area of cross-section decreases.
TRUE
FALSE

⇒ For a paramagnetic material, susceptiblity increases with increasing temperature.
TRUE
FALSE

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied
is more than the probability of state 0.1 eV above Fermi level being occupied
is the same as the probability of state 0.1 eV above Fermi level being occupied
is less than the probability of state 0.1 eV above Fermi level being occupied
may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ A dominant wave is characterised by which of the following?
No attenuation
Lowest cut off wavelength
Highest cut off wavelength
All of the above

⇒ Inverters find applications in
HVDC transmission
UPS
variable speed ac drives
all of the above

⇒ A white noise X(t) with two-sided power spectral density 1 x 10^-10 W/Hz is input to a filter whose magnitude squared response is shown be
5 x 10^-7W
1 x 10^-6W
2 x 10^-6W
5 x 10^-6W

⇒ The most widely used LC oscillator is
Hartley oscillator
Crystal oscillator
Colpitt's oscillator
Clapp's oscillator

⇒ In figure it is desired that output wave is symmetrical.
both diodes should be similar and |V₁| = |V₂|
both diodes should be similar
|V₁| = |V₂|
either (a) or (b)

⇒ In a voltage regulator circuit using zener diode the load voltage is nearly constant only if
zener current is very small
zener current is very large
zener current is neither small nor large
None of the above

⇒ In anti-ferromagnetic materials, the graph of susceptibility versus temperature shows a sharp maximum at a certain temperature. This temperature is known as
Curie temperature
Neel temperature
Weiss temperature
Bitter temperature

⇒ If the switch is thrown to the START position, Q and Y will be equal to
Q = 0, Y = 0
Q= 1, Y= 1
Q = 1, Y = CLK
Q = 0, Y = CLK

⇒ The term efficacy, is defined by
same as efficiency
measure of the ability of a device to produce a desired effect
input/output
(efficiency)²

⇒ An engineer designs an amplifier to have a voltage gain of 60, but when constructed it only had a gain of 50. What value of feedback will double the gain?
0.005
0.0066
0.01
0.033

⇒ As regards ∈₀ and ∈_r (absolute and relative permittivity)
both ∈₀ and ∈_r can be interpreted in terms of atomic properties of medium
only ∈_r can be interpreted in terms of atomic properties of medium
only ∈₀ can be interpreted in terms of atomic properties
∈_r has no physical significance

⇒ In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
ORA r
ORA M
ORI data
CMP r