Question: The boolean expression for shaded area in the given figure is
[A].AB + AC
ABC + ABC
ABC + ABC
None of these
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Electronics And Communication Engineering
Consider the following statements regarding the class-B power amplifiers (Complementary symmetry type):
Question: Consider the following statements regarding the class-B power amplifiers (Complementary symmetry type):
[A].1, 2 and 3
1, 2 and 4
1, 3 and 4
2, 3 and 4
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In the circuit of figure
Question: In the circuit of figure
[A].Va would always lag Vb
Va would always lead Vb
Va and Vb can be in phase
phase angle between Va and Vb would always be 90°
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
Voltage across inductance leads the current and voltage across capacitance lags the current.
For a series circuit of R and variable XL the admittance locus is
Question: For a series circuit of R and variable XL the admittance locus is
[A].a semicircle in first quadrant
a semicircle in fourth quadrant
a straight line in first quadrant
a straight line in fourth quadrant
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Consider the following statements:To draw a.c. equivalent circuit of a transistors, all
Question: Consider the following statements:To draw a.c. equivalent circuit of a transistors, all
[A].2 and 4
1 and 2
1 only
3 and 4
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
For a series circuit of variable R and XL, the impedance locus is
Question: For a series circuit of variable R and XL, the impedance locus is
[A].a straight line parallel to X axis in first quadrant
a straight line parallel to X axis in fourth quadrant
a straight line parallel to Y axis in second quadrant
a straight line parallel to Y axis in first quadrant
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
In the graphical analysis of an amplifier circuit, the slope of dc load line depends on
Question: In the graphical analysis of an amplifier circuit, the slope of dc load line depends on
[A].load resistance only
collector supply voltage only
both load resistance and collector supply voltage
none of the above
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
Slope is .
A seven bit (even parity) code 0010001 may have error. The correct code is
Question: A seven bit (even parity) code 0010001 may have error. The correct code is
[A].0010001
1110001
0011001
1111110
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Why npn-transistors are preferred over pnp-transistors?
Question: Why npn-transistors are preferred over pnp-transistors?
[A].Leakage current in npn-transistors is less than pnp-transistors
Mobility of majority carrier in npra-transistors is greater than the mobility of majority carrier in pnp-transistors
Bias voltage required in npn is less than in/wp-transistors
Bias voltage required in npn is greater than in pnp-transistors
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A variable resistance R and capacitive reactance XC are fed by an voltage. The current locus is
Question: A variable resistance R and capacitive reactance XC are fed by an voltage. The current locus is
[A].a semi circle in 4th quadrant
a semi circle in first quadrant
a straight line in 4th quadrant
a straight line first quadrant
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.