Question is ⇒ 300 to 3000 MHz frequency is categorized as, Options are ⇒ (A) MF, (B) HF, (C) UHF, (D) SHF, (E) , Leave your comments or Download question paper.

Users Also Read

Question is ⇒ 300 to 3000 MHz frequency is categorized as, Options are ⇒ (A) MF, (B) HF, (C) UHF, (D) SHF, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	300 to 3000 MHz frequency is categorized as
A.	MF [Wrong Answer]
B.	HF [Wrong Answer]
C.	UHF [Correct Answer]
D.	SHF [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ A transmitter power of 5 W is increased by 20 dB. The effective radiated power is
5 W
100 W
25 W
500 W

⇒ A full wave diode rectifier using centre tapped transformer has diodes with forward resistance of 50 ohms each. The load resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulation is
0.2
0.5
1
2

⇒

Assertion (A): The Fourier series of the wave shown in the figure does not contain even harmao
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ Which of the following binary numbers is equivalent to decimal 10?
1000
1100
1010
1001

⇒ A Hartley oscillator uses
a tapped inductor
a tapped capacitor
both (a) and (b)
neither (a) nor (b)

⇒ The standard intermediate frequency for FM ratio is
10.7 MHz
4.5 MHz
75 kHz
455 kHz

⇒ In a tape recorder
both record and erase heads have high permeability core
the record head has high permeability core but the erase head has low permeability core
the record head has low permeability core but the erase head has high permeability core
both record and erase heads have low permeability core

⇒ If e is the charge of an electron, R is the radius of its orbit and ω is the angular velocity of electron, the magnetic dipole moment μ_m of the orbit is |μ_m| = eωR².
TRUE
FALSE

⇒ Which of the following devices should be used for accurate measurement of a low dc voltage?
Small range moving coil voltmeter
Dc potentiometer
Small range thermocouple voltmeter
Hot wire instrument

⇒ A PIN diode can be used
as a shunt mounted switch
as a series mounted switch
both as series or shunt mounted switch
non of the above

⇒ For air filled circular waveguides
the attenuation due to imperfect conducting walls is negligible
the attenuation due to imperfect dielectric is negligible
both the attenuation i.e. due to imperfect conducting walls and due to imperfect dielectric are significant
the total attenuation is almost zero

⇒ Find R_{TH200 Ω
0 Ω
400 Ω
None of these}

⇒ A typical error rate on satellite circuits is one bit error in
10⁷
10³
10²
10¹⁰

⇒ The condition AD - BC = 1 for two port network implies that the network is a
reciprocal
lumped element network
lossless network
unilateral element network

⇒ Which one of the following statements regarding DSI is wrong?
It is a digital form of TASI
Though it is more efficient than TASI, it is much slower
A speaker has to wait (it at all) for only a few milliseconds for reallocation of channel
It has increased the capacity of satellite channels by a factor of 2.2 or more with out degrading speech quality

⇒ Consider the following statements for 8085

Which of the above statements are correct?
all
1, 2 and 3 only
2, 3 and 4 only
1, 3 and 4 only

⇒ A 4 bit parallel type A/D converter uses a 6 volt reference. How many comparators are required and what is the resolution in volts?
0.375 V
15 V
4.5 V
10 V

⇒ A uniform wave have components
in the perpendicular direction E existing while H is zero
in the direction of propagation E existing while H is zero
E and H are zero in direction perpendicular to direction of propagation
E and H existing only in direction perpendicular to direction of propagation

⇒ Which of the following does not characterize a ferromagnetic material?
Coercivity
Permeability
Permittivity
Reluctance

⇒ The nodal method of circuit analysis is based on
KVLs, ohm law
KCLs, ohm law
KCLs, KVL
KCL, KVL, ohms law

⇒ Which of the following can be accessed only sequentially?
Floppy disk
Hard disk
Magnetic tape
ROM

⇒ The function (sin x)/x
has a period 2p, decays with increasing x and has zeros at np, n = ± 1, ± 2
has a period p
has a period p/2
has a period 2p, decays with increasing x, is an even function and has zeros at np, n = ± 1, ± 2

⇒ In a perfect conductor the incident and reflected wave combine to produce
a stronger incident wave
a stronger reflected wave
a standing wave which is not progressing
none of the above

⇒ The output of the circuit shown below will be of the frequ
125 Hz
250 Hz
500 Hz
750 Hz

⇒ Capacitive transducer is superior to inductive type for measurement of capacitance because of
absence of non-linearity
high frequency response
small size
high accuracy

⇒ Which of the following antenna is obtained by modifying a waveguide?
Microstrip Antenna
Helical Antenna
Horn Antenna
Dipole Antenna

⇒ Four messages band limited to W, W, 2W and 3W respectively are to be multiplex using Time Division Multiplexing (TDM). The minimum bandwidth required for transmission of this TDM signal is
W
3W
6W
7W

⇒ The modulation index is, if f_m = 500 Hz, Δf = 2.25 kHz
2.25
4.5
9
18

⇒ Figure sho
JFET
n-channel MOSFET
p-channel MOSFET
none of the above

⇒ A step voltage E is applied to an R-L series circuit. At t = 0, the current in the circuit is
E/R
E/L
infinity
zero

Users Also Read