1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
For full wave rectification, a four diode bridge rectifier is claimed to have the following advantages over a two diode circuit:

(1) less expensive transformer

(2) smaller size transformer, and

(3) suitability for higher voltage application.

Of these,
A
only (1) and (2) are true
B
only (1) and (3) are true
C
only (2) and (3) are true
D
(1), (2) as well as (3) are true
2
GATE ECE 1998
Subjective
+5
-0
Implement a monostable multivibrator using the timer circuit shown, in Fig. Also determine an expression for ON time T of the o/p pulse. GATE ECE 1998 Analog Circuits - 555 Timer Question 3 English
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a shunt-shunt negative feedback Amplifier, as compared to the basic Amplifier,
A
both input and output impedance decreases .
B
input impedance decreases but output impedance increases.
C
input impedance increases but output impedance decreases
D
both input and output impedance decreases
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a differential Amplifier, CMRR can be improved by using an increased
A
Emitter resistance
B
Collector resistance
C
Power supply voltage
D
Source resistance
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