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Assertion (A): The forward dynamic resistance of p-n diode varies inversely with current. Reason (R): The forward dynamic resistance of p-n diode varies with the operating voltage. | |
A. | Both A and R are true and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are true but R is not a correct explanation of A [Correct Answer] |
C. | A is true but R is false [Wrong Answer] |
D. | A is false but R is true [Wrong Answer] |
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Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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⇒ The forms of IF statements in FORTRAN 77 are called
logical IF and Block IF
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proportional to the amplitude of the signal and varies with frequency
remains constant while amplitude and frequency of signal varies
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⇒ The baud rate is
always equal to the bit transfer rate
equal to twice the bandwidth of an ideal channel
not equal to the signalling rate
equal to one half the bandwidth of ideal channel
⇒ If input frequency is 50 Hz, the frequency of output wave in a full wave diode rectifier circuit is
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zero
infinity
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fetch
execute
both (a) and (b)
none of the above
⇒ Consider the following statemen
1, 2, 3, 4
1, 2, 3
1, 2
1, 3, 4
⇒ An n channel depletion type MOSFET has
lightly doped p substrate and highly doped n source and drain
highly doped p substrate and highly doped n source and drain
highly doped p substrate and lightly doped n source and drain
lightly doped n substrate and highly doped n source and drain
⇒ Most small signal transistors are
N-P-N, silicon, in a plastic package
P-N-P, silicon, in a plastic package
N-P-N, germanium in a metallic case
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⇒ A mod 4 counter will count
from 0 to 4
from 0 to 3
from any number n to n + 4
none of the above
⇒ For an RC impedance function Z
Z(∞) = Z(0)
Z(∞) < Z(0)
Z(∞) ≤ Z(0)
Z(∞) > Z(0)
⇒ The minterm designation for ABCD is
m_{11}
m_{13}
m_{15}
m_{16}
⇒ The hexadecimal number 'A0' has the decimal value
80
256
100
160
⇒ For a given carrier wave, maximum undistorted power is transmitted when value of modulation is
1
0.8
0.5
0
⇒ The Clapp oscillator shown in figure will operat
4.6 kHz
46 kHz
460 kHz
4600 kHz
⇒ In 8085
the upper 8 address bits appear on address bus and lower 8 bits on address data bus
the lower 8 address bits appear on address bus and the upper 8 address bits appear on address data bus
either upper or lower 8 address bits may appear at address bus
either upper or lower 8 address bits may appear at address data bus
⇒ In a two phase servomotor the two stator windings have a phase difference of
30°
45°
90°
135°
⇒ A circular waveguide carries TE_{11} mode whose radial electric-field is given
10 cm
3p cm
2p cm
8 cm
⇒ A cordless telephone using separate frequencies for transmission in base and portable units is known as
duplex arrangement
half duplex arrangement
either (a) or (b)
neither (a) nor (b)
⇒ The system in the given fi
will be unstable due to the presence of positive feedback in the inner loop
may be stabilized by the negative feedback outer loop
can never be stable
will always be stable
⇒ An antisymmetric filter having odd number of coefficient may have a performance as
low pass
high pass
band pass
all pass