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Two transistors have same value of a but different gain (G) bandwidth (B) product. The transistors have similar geometry. However one of them is germanium and the other is silicon. The transistor with lower GB product | |
A. | is germanium [Wrong Answer] |
B. | is silicon [Correct Answer] |
C. | may be either of two [Wrong Answer] |
D. | cannot be identified on the basis of above data [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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is 7.5 A
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⇒ The inverse response of a system h(n) = a^{n}∪(n) what is the condition for the system to be BIBO stable?
a is real and +ve
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|a| > 1
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⇒ Signal flow graph is used to find :
stability of the system
controllability of the system
transfer function of the system
poles of the system
⇒ The function A e^{st} where s = s + jω represents
A phasor whose magnitude changes with time
A phasor whose frequency is ω
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atmosphere attenuation
output power tube limitations
attenuation of surface wave
earth's curvature
⇒ In single tone AM modulation, the transmission efficiency for m = 1 is
0.333
0.5
1
0.1665
⇒ For the circuit of the following figure, with an ideal op-amp, the maximum phase shift of the output with reference to the input
0°
90°
-90°
± 180°
⇒ DMA stands for direct memory access.
TRUE
FALSE
⇒ A fully controlled bridge converter feeds a highly inductive load such that the load current can be assumed to be constant. The wave shape of input current is
dc
sinusoidal
rectangular
none of the above
⇒ In shot noise
the current rises around mean value
the current rises to peak value, decreases to zero and then again rises
the current may become negative
the current is always less than the mean value
⇒ In a zener diode
the forward current is very high
sharp breakdown occurs at a certain reverse voltage
the ratio v-i can be negative
there are two p-n junctions
⇒ 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 circuit show in the figure has 4 boxes each described by inputs P, Q, R and outputs y, z
4 bit adder giving P + Q
4 bit subtractor P - Q
4 bit subtractor Q - P
4 bit adder P + Q + R
⇒ In 8085, the instruction CMA is an example of
Implict addressing
Direct addressing
Register addressing
Immediate addressing