Question45:-A radio wave has electric field intensity *10~(-4)' V'm~(-1)" at the location of a receiving antenna. What will
be the magnetic flux density 7
A:-zero
8:-3.3 `20010^(-4)` 7
@:-1.1 `20010^{-9}` 7
0:-3.3 3010-13)” 7
Correct Answer:- Option-D
Question46:-The cut off frequency of T"E_(10)" dominant mode of an air filled rectangular wave guide of dimension x = 8
cmand y = 4 cm is 1875 MHz. What will be the cut off frequency of the T"E_(10)" dominant mode for another wave guide of
dimensionx =8cmandy=6cm 7
A:-1875 MHz
B:-1945 MHz
C:-707 MHz
D:-1947 MHz
Correct Answer:- Option-A
Question47:-The ratio of the electric field vector E and magnetic field vector H has the dimension of
A:-turrent
B:-resistance
C:-inductance
D:-capacitance
Correct Answer:- Option-B
Question48:-For the reverse leakage cumrent of a BJT in CB (1 (807180 CE("1_(CEO)" } configuration, which among the
following statements is true 7
| (80) > " (८६0)
| (280) - (८६0)
:- | (680) < `| (60)
D:-none of these
Correct Answer:- Option-C
Question49:-With a 1 MHz clock frequency, eight bits can be parallel entered into a shift register in
‏رنت‎
‎B:-propagation delay time of eight flip flops
C:-propagation delay time of one flip flop
0:-1 7105
Correct Answer:- Option-C
Question50:-For an ideal OPAMP integrator circuit, the peak value of output voltage
A:-is independent of frequency of the signal
B:-decreases with frequency of the signal
C:-increases with frequency of the signal
D:-decreases with amplitude of the signal
Correct Answer:- Option-B
Question51:-In a 4 bit R-2R ladder digital to analog converter, R = 10kQ and *V_(ref} is 10V. The cumrent resolution of the
converter is
2:-10.5 “്ധമ്‌
8:-50.25 7104
C:-62.5 7104
0:-6.25. 7104
Correct Answer:- Option-C
Question52:-In the expression for the binding energy of a nucleus according to the liquid drop model, which among the
following terms arises due to Pauli's exclusion principle 7
A:-volume term
B:-surface term
C:-pairing term
D:-asymmetry term
Correct Answer:- Option-D
Question53:-The strangeness quantum number S, in the Quark Model for up (u) and down (d) quarks are
A:-zero for both u and d
B:-+1 for both u and d
C:--1 for both u and d
D:--1 1೧೯೬ 8೧6 --3 1೧೯6
Correct Answer:- Option-A