Question is ⇒ Radiation intensity in a given direction is the, Options are ⇒ (A) energy radiated per square metre, (B) power radiated per square metre, (C) power radiated per unit solid angle in that direction, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Radiation intensity in a given direction is the, Options are ⇒ (A) energy radiated per square metre, (B) power radiated per square metre, (C) power radiated per unit solid angle in that direction, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Radiation intensity in a given direction is the
A.	energy radiated per square metre [Wrong Answer]
B.	power radiated per square metre [Wrong Answer]
C.	power radiated per unit solid angle in that direction [Correct Answer]
D.	none of the above [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 :

⇒ An AND gate has four inputs. One of the inputs is low and other inputs are high. The output
is low
is high
is alternately low and high
may be high or low depending on relative magnitudes of inputs

⇒

Assertion (A): A dual converter may be circulating current type or non circulating current type.

Reason (R): In circulating current dual converter only one converter can be operated at one time.

Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ Which of the following photodetector does not provide gain?
Phototransistor
Photoconductor
Avalanche photodiode
p-i-n photodiode

⇒ The noise performance of a square law demodulator of AM signal is
better than that of an envelope detector
better than that of a synchronous detector
identical with that of a synchronous detector
poorer than that of an envelope detector

⇒ For K map of the given figure the simplified Boolean expressio
Y = A B C + A B C + A B C
Y = A C + B
Y = A B C + ABC
Y = A B C + AB C + ABC

⇒ An electron for which l = 0 has zero orbital magnetic dipole moment.
TRUE
FALSE

⇒ Which display device resembles vacuum tube?
LED
LCD
VF
None of these

⇒ In a conductor the conduction and valence bands overlap
TRUE
FALSE

⇒ For an P-channel enhancement type MOSFET determine the drain current if K = 0.278 x 10^-3A/V², V_GS = -4V, V_T = -2V, Voltage equivalent at 27°C = 26 mV.
10 mA
1.11 mA
0.751 mA
46.98 mA

⇒ Consider the following:

Oscillator
Emitter follower
Cascaded amplifier
Power amplifier

Where of these use feedback amplifiers?
1 and 2
1 and 3
2 and 4
3 and 4

⇒ A transistor with a = 0.98 then β will be
49
50
47
48

⇒ Point out the false statem
Building, for the time, a body-stabilized geosynchronous communication satellite with its own apogee propulsion and control systems
Attitude control and station management operations for a geostationary satellite
Building launching rocket Ariane for putting APPLE in orbit
Domestic communications on an experimental basis

⇒ Ferrites have
low copper loss
low eddy current loss
low resistivity
higher specific gravity compared to iron

⇒ In the epitaxial diffused method of fabricating integrating circuits the process involved are __________

Epitaxial growth
Diffusion
Silicon diode growth
Vacuum evaporation of aluminium
Photoetching

The correct order is
1 - 2 - 3 - 4 - 5
1 - 3 - 5 - 2 - 4
3 - 1 - 4 - 5 - 2
1 - 3 - 2 - 4 - 5

⇒ When temperature is above ferromagnetic Curie temperature, a ferromagnetic material
becomes a paramagnetic material
becomes a very strong ferromagnetic material
becomes diamagnetic material
none of the above

⇒ In Bode method of stability analysis, the error curve is not symmetric about corner frequency.
TRUE
FALSE

⇒ A FET is to be operated as voltage variable resistor. For this drain to source voltage V_DS should be,
74
= V_P
< V_P
> V_P

⇒ In an ac network the sum of currents entering a node is 10 ∠45°. The sum of currents leaving the node is
19.32 ∠45°
15 ∠45°
20 ∠45°
zero

⇒

Match the following:

	List I		List II
A.	Direct addressing	1.	MOV A, M
B.	Register addressing	2.	MOV C, A
C.	Register indirect addressing	3.	LDA 7
D.	Immediate addressing	4.	STA FFC

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

⇒ A single phase half wave rectifier is feeding a resistive load. As firing angle is increased
dc output voltage and rms output voltage decrease in the same proportion
dc output voltage and rms output voltage decrease
dc output voltage and rms output voltage increase
dc output voltage and rms output voltage increase in the same proportion

⇒ The function of an AM detector circuit is to
rectify the input signal
discard the carrier
provide audio signal
all of the above

⇒ In a loss less line the propagation constant is equal to
jωLC
LC
jωLC
LC

⇒ V(t) across R₂ for t > 0 is given
2 - 2e^-2t
2 - e^-2t
2 - e^-t
1 - e^-t

⇒ Most of the digital computers do not have floating-point hardware because
floating point hardware is costly
it is slower than software
it is not possible to perform floating point addition by hardware
of not specific reason

⇒ Given below a block diagram of oscillator circuit with various reactance elemen
x₁ = C, x₂ = L, x₃ = C
x₁ = C, x₂ = L, x₃ = L
x₁ = C, x₂ = C, x₃ = L
x₁ = L, x₂ = C, x₃ = L

⇒ The distance of a direct broadcasting satellite from earth's surface is about
1000 km
10000 km
36000 km
55000 km

⇒ ECL can be used to high frequencies in the order of
500 kHz
1 MHz
100 MHz
500 MHz

⇒ In integral cycle control the period of on-off control should be more than mechanical time constant of load.
TRUE
FALSE

⇒ A TV receiver has 20 kV EHT supply and total beam current (for 3 electron guns) of 1500 μA. The power handled by IHVT is
3 W
30 W
300 W
0.3 W

⇒ Consider the following statements about a moving iron instrument

It is an unpolarised instrument.
It has permanent magnet.
It has a fixed coil.
It has two iron vanes.

Of these statements
1, 2, 3 are correct
1, 2, 4 are correct
1, 3 and 4 are correct
2, 3, 4 are correct