Question is ⇒ It is required to increase the maximum range of a radar by a factor of two. The peak power transmitted in the radar system has to be increased by a factor of, Options are ⇒ (A) 2, (B) 4, (C) 8, (D) 16, (E) , Leave your comments or Download question paper.

Question is ⇒ It is required to increase the maximum range of a radar by a factor of two. The peak power transmitted in the radar system has to be increased by a factor of, Options are ⇒ (A) 2, (B) 4, (C) 8, (D) 16, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	It is required to increase the maximum range of a radar by a factor of two. The peak power transmitted in the radar system has to be increased by a factor of
A.	2 [Correct Answer]
B.	4 [Wrong Answer]
C.	8 [Wrong Answer]
D.	16 [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 :

⇒ To convert JK flip flop to D flip flop
connect D to both J and K
connect D to J directly and D to K through inverter
connect D to K directly and D to J through inverter
connect D to K and leave J open

⇒ The number of protons in germanium atom is
4
16
28
32

⇒

Assertion (A): A graph is planar if it has a dual.

Reason (R): The dual of a graph can be found by window dot method.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ The stray capacitance between the last stage and the first stage of an oscillator may cause
unwanted low frequency oscillations
unwanted high frequency oscillations
unwanted oscillations at low and high frequencies
large feedback

⇒ Which of the following is a disadvantage of Vestigial Sideband (VSB) system?
Low video frequencies are attenuated
Bandwidth is conserved resulting in a saving of 2 MHz per channel over DSB system
It results in a power boost of two video frequencies
It possess the advantages of both DSB and SSB system

⇒ The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.
TRUE
FALSE

⇒ A constant k low pass filter has f_c = 500 Hz. At f = 1000 Hz, the attenuation is
zero
infinity
may be zero or infinity
more than zero but less than infinity

⇒ In which condition does BJT behave like a closed switch?
Cut off
Saturation
Forward active
Reverse active

⇒ Which of the following microphones is used as a standard for calibration?
Moving coil
Carbon
Condenser
Ribbon

⇒ The current I flowing in the branc
-12 A
0
0.125
-3 A

⇒ In a TV, studio the function of vision switcher is to
edit television programs
relay television programs
control zoom lens
mix audio and video signals

⇒ The auto correlation of a sampling function is a
triangular function
gate function
signum function
none of the above

⇒ In an n-p-n transistor biased for operation in forward active region
emitter is positive with respect to base
collector is positive with respect to base
base is positive with respect to emitter and collector is positive with respect to base
none of the above

⇒ Which are of the following oscillators is well suited for the generation of wide range audio-frequency sine waves?
RC phase-shift oscillator
Wien-bridge oscillator
Colpitts oscillator
Hartley oscillator

⇒ A pre-emphasis circuit
boosts base frequencies
pre amplifies the complete audio band
amplifies higher audio frequencies
converts FM into phase modulation

⇒ Iron has a body centred cubic structure.
TRUE
FALSE

⇒ A multiple emitter transistor has many emitters and collectors.
TRUE
FALSE

⇒ The diameter and thickness of CD are
6 cm and 1.2 mm
6 cm and 0.6 mm
12 cm and 0.6 mm
12 cm and 1.2 mm

⇒ The energy of constant-amplitude complex valued exponential sequence is __________ (where A is the constant amplitude)
0
1
∞
A²

⇒ Each term in POS form is called max terms.
TRUE
FALSE

⇒ If each branch of a Delta circuit has impedance 3 Z then each branch of the equivalent Y circuit has impedance.
Z/3
3 Z
3/3 Z
Z/3

⇒ In 8085 microprocessor, what are the contents of register SP, after the interrupt has been star
0210 H
0211 H
054 CH
054 EH

⇒ Which one of the following theorem can be conveniently used to calculate the power consumed by the 10 Ω resistor in the network shown in the above fig
Thevenin's theorem
Maximum power transfer theorem
Millman's theorem
Superposition theorem

⇒

Match the following:

	List I (Camera pick up tubes)		List II (Developed by)
A.	CCD charger	1.	Toshiba
B.	New vicon	2.	Philips
C.	Plumbicon	3.	Matushita
D.	Chalnicon	4.	RCA

A-3, B-4, C-1, D-2
A-4, B-3, C-2, D-1
A-4, B-3, C-1, D-2
A-1, B-2, C-3, D-4

⇒ For infinite value of SWR on a transmission line, the line be terminated with impedance as
an open-circuit
a short-circuit
a pure resistance
all of the above

⇒ In an air cored coil, a current of 0.7 A causes a flux of 5 x 10^-6 Wb. If the core is made of cast iron and the coil is similar, the same current can set up a flux of about
5 x 10^-6 Wb
5 x 10^-8 Wb
10^-2 Wb
5 x 10^-4 Wb

⇒ In a single phase full wave ac regulator feeding R-L load, the gate pulses
are always of short duration
may be of short duration
should be rectangular with width (p - a)
cannot be rectangular with width (p - a)

⇒ Consider a control system shown in given figure. For slight variation in G, the ratio of open loop sensitivity to closed loop sensitivity will be give
1 : (1 + GH)
1 : (1 + GH)^{- 1}
1 : (1 - GH)
1 : (1 - GH)^{- 1}

⇒ An RC driving point impedance function has zeros at s = - 2 and s = - 5. The admissible poles are
s = 0 and s = -6
s = -1 and s = -3
s = 0 and s = -1
s = -3 and s = -4

⇒ Which of these has peak and valley points in v-i curve?
Tunnel diode
Zener diode
PIN diode
Schottky diode