Correct Answer:- Option-D
Question46:-A full wave rectifier uses two diodes, the intemnal resistance of each diode may be 200 each. The transformer
rms secondary voltage from centre tap to each of secondary is 50V and load resistance is 980 Q. Find the mean load current
and ms value of load current.
&:-0.057 02) , 0.05"pi*
B:-0.05"sqrt(2)" ` , 0.05
C:-0.1'sqrt(2)" ` ` ^^ ` ,0.05
0:02) , 50
Correct Answer:- Option-C
Question47:-The 2732 is a 4096 “xx" 8 EPROM. How many address lines does it have 7
‏8ھ‎
‎6:2
‎C:-1600
‎0:-2732
‎Correct Answer:- Option-B
Question48:-A lamp is controlled from two positions A and B (eqg : staircase circuit). The boolean expression for the above

8 مدقم
‎AB+AB‏

Correct Answer:- Option-B
Question49:-Most of the linear IC s are based on the two transistor differential amplifier because of its
കഃ

C:-High input resistance
D:-Input voltage dependent linear transfer characteristics
Correct Answer:- Option-A
Question50:-A speech signal occupying the bandwidth of 300 Hz to 3 KHz is converted into PCM format for use in digital
communication. If the sampling frequency is 8 KHz and each sample quantized into 256 levels, then the output bit rate will
be
ಹಿತ 0/6
B:-8 Kbis
C:-256 Kb/s
D:-64 Kbis
Correct Answer:- Option-D
Question51:-A push pull inverter provides a
A:-Highly regulated output
B:-Constant DC output
C:-Square wave output
D:-None of these
Correct Answer:- Option-C
Question52:-When an antenna is placed in a vertical plane it will produce 7
A:-Circularly polarised waves
B:-Elliptically polarised waves
C:-Horizontally polarised waves
D:-Vertically polarised waves
Correct Answer:- Option-C
Question53:-The octal equivalent of decimal 324.781 is