GPL - Gate Question |

X Close

You need to enable javascript to view this page properly.

Branch

All

Loading

349.

The circuit using a BJT with β=50 and V_BE = 0.7V is shown in figure. The base current I_B and collector voltage V_c are respectively

[2 marks]
(a) 43 µA and 11.4 Volts
(b) 40 µA and 16 Volts
(c) 45 µA and 11 Volts
(d) 50 µA and 10 Volts

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
350.

For an n-channel MOSFET and its transfer curve shown in figure, the threshold voltage is [2 marks]

(a) 1 V and the device is in active region.
(b) -1 V and the device is in saturation region.
(c) 1 V and the device is in saturation region.
(d) -1 V and the device is in active region.

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
351.

In an ideal differential amplifier shown in figure, a large value of R_E

[2 marks]
(a) increases both the differential and common-mode gains.
(b) increases the common-mode gain only.
(c) decreases the differential-mode gain only.
(d) decreases the common-mode gain only.

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
352.

The Op-amp circuit shown in figure is a filter. The type of filter and its cut-off frequency are respectively.

[2 marks]
(a) high pass, 1000 rad/sec.
(b) low pass, 1000 rad/sec.
(c) high pass, 10000 rad/sec.
(d) low pass, 10000 rad/sec.

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
353.

The voltage e_o indicated in figure has been measured by an ideal voltmeter. Which of the following can be calculated? [2 marks]

(a) Bias current of the inverting input only.
(b) Bias current of the inverting and non-inverting inputs only.
(c) Input offset current only.
(d) Both the bias currents and the input offset current.

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
354.

For an npn transistor connected as shown in figure, VBE = 0.7 Volts. Given that reverse saturation current of the junction at room temperature 300°K is 10^-13 A the emitter current is [2 marks]

(a) 30 mA
(b) 39 mA
(c) 49 mA
(d) 20 mA

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]

806 1 ...‹‹57 5859 60 61 ›› ... 135

High Frequency Word List with Mnemonics

GPL Dictionary is fast way to learn words with mnemonics.
It contains high frequency word list which are mostly asked in various examinations.
It is dedicated for student appearing for PSUs, GRE, UPSC or any other exams in which vocabulary test is taken.
User can save their own mnemonics (key and link).

Check Now