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Assertion (A): A self bias circuit is the most commonly used bias circuit for bipolar junction transistors Reason (R): A self bias circuit limits the increase in collector or emitter current due to change in junction temperature. | |
A. | Both A and R are correct and R is correct explanation for A [Correct Answer] |
B. | Both A and R are correct but R is not correct explanation for A [Wrong Answer] |
C. | A is correct R is wrong [Wrong Answer] |
D. | A is wrong R is correct [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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SOP functions
POS functions
Hybrid function
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⇒ A first-order system has a time constant t. For unit ramp input, the steady state error is
t^{2}
t
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⇒ For a second order instrument, the optimum range of ξ (damping ratio), which gives good frequency response over a wide range of frequencies is
0.5 to 0.6
0.6 to 0.7
0.7 to 0.8
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same as BPSK
half of that in BPSK
one-fourth of that in BPSK
none of the above
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phasor sum of fields produced by individual antennas of the array
algebraic sum of fields produced by individual antennas of the array
either (a) or (b) depending on type of array
neither (a) nor (b)
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none of the numbers is changed to any other form
.4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed
.5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed
both the numbers are changed and their exponents are made equal to 6
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Diurnal variation
Seasonal variation
Ionospheric storms
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Motorola 68020
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Intel 80386
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