Correct Answer:- Option-B
Question66:-TDMA allows the user to have
A:-Use of same frequency channel for same time slot
B:-Use of same frequency channel for different time slot
C:-Use of same time slot for different frequency channel
D:-Use of different time slot for different frequency channels
Correct Answer:- Option-B
Question67:-Unauthorised access of information from a wireless device through a bluetooth connection is called**
A:-Bluesnarfing
B:-Bluemaking
C:-Bluestring
D:-None of the above
Correct Answer:- Option-A
Question68:-In a TWT the amplitude of resultant wave travelling down the helix
A:-Increases exponentially
B:-Increases linearly
C:-Decreases exponentially
D:-Is almost constant
Correct Answer:- Option-A
Question69:-If the gate current of an SCR is increased, the forward breakdown voltage will
A:-Increase
B:-Decrease
C:-Not be affected
D:-Become infinite
Correct Answer:- Option-C
Question70:-What is the range of the operating voltage level for LEDs ?
A:-5-12 mV

Correct Answer:- Option-B
Question71:-To turn on UJT, the forward bias on the emitter diode should be the peak point voltage.
A:-Less than
B:-Equal to
:-More than
D:-None of the above
Correct Answer:- Option-C
Question72:-The device that does not have the gate terminal is
A--Triac
B:-FET.
:-50
D:-Diac
Correct Answer:- Option-D
Question73:-If the negative potential on the control grid of CRT is increased, the intensity of spot
A:-is increased
decreased
C:-remains the same
D:-none of the above
Correct Answer:- Option-B
Question74:-The sensitivity of a multimeter is given in
൧:൧൨
-amperes
"0-۷
D:-none of the above
Correct Answer:- Option-C
Question75:-The controlling parameter in IGBT is the
2:21 (2
(ம
೦-೦: