BSNL JTO Exam Answer Key

I want the answer key of the Bharat Sanchar Nigam Limited (BSNL) Junior Telecom Officer (JTO) exam as I appeared in this exam so will you please provide me it in a pdf file as by the answer key I will get the idea of marks that will get in this exam?

I want the sample question paper of BSNL Junior Telecom Officers JTO Exam so will you provide me? Also provide me their answer key?

[pooja]

I am providing you the solved sample question paper of BSNL Junior Telecom Officers JTO Exam.

BSNL JTO Exam solved question paper

SECTION-A

Q.1 A house served by a 220V supply light, is protected by a 9-Ampere
fuse. The maximum number of 60 W bulbs in parallel that can be
turned on is
(a) 11 (b) 33
(c) 22 (d) 44

Q.2 An n-channel JFET has IDSS = 1 pA & VP =-5V. The maximum
transconductance is
(a) gm = 0.4 milli mho (b) gm = 0.04milli mho
(c) gm = 0.04 mho (d) gm = 0.4 millimilli mho

Q.3 The base to base resistance of a UJT is 6 K Ohm when the emitter
current is zero. If RB1 = 3.6 K Ohm, the intrinsic stand off ratio is
(a) n = 0.66 (b) n = 0.6
(c) n = 6.0 (d) n = 3.6

Q.4 A capacitor of 1pF initially charged to 10 V is connected across an
ideal inductor of 0.1 mH. The maximum current in the circuit is
(a) 0.5 A (b) 1 A
(c) 1.5 A (d) 2 A

Q.5 Silicon has a preference in IC technology because
(a) it is an indirect semiconductor
(b) it is a covalent semiconductor
(c) it is an elemental semiconductor
(d) of the availability of nature oxide SiO

Q.6 Three equal resistance of magnitude 5 Ohm each are connected in
delta. The resistance between any two pair of terminals of the
delta will be
(a) 5 Ohm (b) 5/3 Ohm
(c) 10/3 Ohm (d) 3/5 Ohm

Q.7 The R.M.S. value of a half wave
rectified sinusoidal alternating current with
peak value Im is
(a) Im/1 (b) L/V2
(c) Im/2 (d) Im>/3

Q.8 For a series resonant circuit, at the half power points,which of the
following is true?
(a) Current is half of the current at resonance.
(b) Resistance is equal to the reactance.
(c) The impedance is half the impedance at the resonance.
(d) None of the above

Q.9 The lossless line of characterstics impedance 300 Ohm is terminated
in a pure resistance of 200 Ohm. The value of the standing wave
ratio is (a) 1.5 (b) 0.67
(c) 1.0 (d) 1.25

Q.10 The transient current in lossless L-C circuit when excited from an
AC source is,___________ sine wave
(a) Critically damped (b) Underdamped
(c) Overdamped (d) Undamped

Q. 11 The values of L and C for a low pass filter with cut off frequency of
2.5 KHz and operating with a terminated load resistance of 450
Ohm are given by
(a) 57.3 mH; 0.283 pF (b) 28.66 pH; 0.14 pF
(c) 114.64 mH; 0.566 mF (d) 50.23 mH; 0.632 mF

Q. 12 The driving point impedance with poles at ra = 0(zero) and ra = ^
(infinity) must have the
(a) s term in the denominator and an excess term in the
numerator
(b) s term in the numerator and an excess term in the
denominator
(c) s term in the numerator and equal number of terms in the
numerator and denominator
(d) s term in the denominator and equal number of terms in the
numerator and denominator

Q.13 A transmission line is terminated at its characterstic impedance.
The reflection coefficent is
(a) 1 (b) -1
(c) 0 (d) ^


BSNL JTO Exam question paper





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