GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC): Questions 157 - 160 of 1602
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Question 157
Appeared in Year: 2007
Question MCQ▾
For the BJT circuit shown, assume that the of the transistor is very large and . The mode of operation of the BJT is
Choices
Choice (4) | Response | |
---|---|---|
a. | Reverse active | |
b. | Saturation | |
c. | Normal active | |
d. | Cut-off |
Question 158
Appeared in Year: 2009
Question MCQ▾
In the following limiter circuit, an input voltage is applied Assume that the diode drop is 0.7 V when it is forward biased. When it is forward biased. The zener breakdown voltage is
The maximum and minimum values of the output voltage respectively are
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 159
Appeared in Year: 2012
Question MCQ▾
The voltage gain of the circuit shown below is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 160
Appeared in Year: 2008
Question MCQ▾
Consider the Schmitt trigger circuit shown below
A triangular wave which goes from -12 to 12 V is applied to the inverting input of OPMAP. Assume that the output of the OPAMP swings from + 15V to -15 V. the voltage at the non-inverting input switches between
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | and |