Correct Answer:- Option-C
Question29:-The width of the depletion layer of a junction
A:-Decreases with light doping
-Increases with heavy doping
C:-Is independent of applied voltage
D:-Is increased under reverse bias
Correct Answer:- Option-D
Question30:-"While testing the PN junctions of a transistor using an ohmmeter, middle range such as R 1000 is preferred"
Which of the following statement is/are the correct reason ?
i, Ohmmeters in low range can produce excessive current
ii. Ohmmeters in high range can produce excessive voltage
iii. Ohmmeters have low accuracies at low and very high ranges
A:-Only ii and iii
B:-Only i and ii
C:-All of the above
D:-Only i and iii
Correct Answer:- Option-B
Question31:-Which of the following is most preferred type of biasing ?
A:-Voltage divider bias
B:-Emitter bias
C:-Base bias
D:-Both 1 and 3
Correct Answer:- Option-A
Question32:-Select correct applications of SCR from the following.
i, Power control
. Logic and digital circuit
iii, Speed control of motors
A:-Only i and ii
B:-All of the above
C:-Only ii and iii
D:-Only i and iii
Correct Answer:- Option-B
Question33:-Which of the following statement is/are correct about ''use of UJT" ?
i, Used in timing circuits only
ii. Used in oscillators circuits only
iii. Used in bistable circuits only

A:-Only ii and iii
B:-Only i and ii
C:-All of the above
D:-Only i and iii
Correct Answer:- Option-C
Question34:-What is the unit of quantity of electricity ?
A:-Coulomb
B:-Volt Ampere
-Ampere Hour
D:-Watts
Correct Answer:- Option-A
Question35:-What is the name of charge that gives to new battery to put into service for the first time ?
A:-Trickle charge
-Freshening charge
C:-Initial charge
D:-Boost charge
Correct Answer:- Option-B
Question36:-Which colour indicates fully charged condition of a lead acid battery by testing high rate discharge tester ?
A:-Red
:-Yellow
C:-Blue
D:-Green
Correct Answer:- Option-D