Question is ⇒ In drawing phasor diagram, Options are ⇒ (A) rms values are used, (B) peak values are used, (C) either rms or peak values are used, (D) either rms or peak or averages values are used, (E) , Leave your comments or Download question paper.

Question is ⇒ In drawing phasor diagram, Options are ⇒ (A) rms values are used, (B) peak values are used, (C) either rms or peak values are used, (D) either rms or peak or averages values are used, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In drawing phasor diagram
A.	rms values are used [Correct Answer]
B.	peak values are used [Wrong Answer]
C.	either rms or peak values are used [Wrong Answer]
D.	either rms or peak or averages values are used [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

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⇒

Match the following:

	List I		List II
A.	RC coupled amplifier	1.	Very low drift
B.	Tuned amplifier	2.	Flat frequency response from zero frequency onwards
C.	Chopper stabilized amplifier	3.	Flat frequency response with upper and lower cut off frequency
D.	DC amplifier	4.	Peak in gain frequency response

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

⇒ Consider the following statements:

Internal sorting is used if the number of items to be sorted is very large.
External sorting is used if the number of items to be sorted is vary large.
External sorting needs auxiliary storage.
Internal sorting needs auxiliary storage.

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

⇒ The output of a half adder is
SUM
CARRY
SUM and CARRY
none of the above

⇒ In a zener diode
forward voltage rating is high
negative resistance characteristics exists
sharp breakdown occurs at low reverse voltage
none of the above

⇒ Which of the following is not an interrupt line in 8085?
TRAP
RST 5.5
RST 7.5
RST 9.5

⇒ A vacant electronic state moves in the same direction as would a positive charge carrier.
TRUE
FALSE

⇒ If frames are repeated at 60 Hz and each frame has 525 lines, the time for scanning one horizontal line (for progressive scanning and no interlacing) is about
320 μs
32 μs
3.2 μs
0.32 μs

⇒ Secondary emission occurs in
diode
triode
tetrode
pentode

⇒ The saving of power in DSB-SC modulated at 80% is
NIL
0.8
0.7576
0.5

⇒ A decade counter
counts for ten days
counts ten times faster than a binary counters
counts to 9 and reset on the next pulse
reverts on the pulse after the tenth

⇒ A pair of 21114s can store __________ words of __________ bits each.
2114, 8
1024, 8
4228, 16
2114, 16

⇒ In figure The minimum and maximum load currents
0 and 60 mA
0 and 120 mA
10 mA and 60 mA
10 mA and 120 mA

⇒ A BJT is said to be operating in saturation region if
both junctions are reverse biased
both junctions are forward biased
base emitter junction is forward biased and base collector junction is reverse biased
base collector junction is forward biased and base emitter junction is reverse biased

⇒ The secondary constants of a line are
Z₀
Z₀ and γ
Z₀, γ and wave velocity
Z₀, γ and L

⇒ In practical commercial FM system, channel bandwidth is
150 kHz
100 kHz
88 MHz
108 MHz

⇒ To realize following function 'f'
3
6
4
10

⇒
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

⇒ T- FF used as a
transfer Data switch
toggle switch
time delay switch
none

⇒ Some ADCs are
Parallel
Updown
Single slope
Dual slope
Successive approximation
Stair step
Out of above which ones do not use DAC?
1 only
1, 3, 4
1, 2, 3
1, 5, 6

⇒ Which of the following is correct for a driving point functions?
The real parts of all poles must be negative
The real parts of all poles and zeros must be negative
The real parts of all poles and zeros must be negative or zero
The real parts of all zeros must be negative

⇒ The approximate value of input impedance of CE amplifier with emitter resistance R_E is given by
h_ie + A_i R_E
h_ie + (1 + h_fe) R_E
h_ie
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⇒ At a P-N junction, the potential barrier is due to the charges on either side of the junction, which consists of
fixed donor and acceptor ions
majority carriers only
minority carriers only
both majority and minority carriers

⇒ To plot frequency spectrum we draw two graphs viz |F_n| versus frequency and φ_n versus frequency.
TRUE
FALSE

⇒ A current source inverter has simple commutation circuit.
TRUE
FALSE

⇒ n channel FETs are better as compared to p-channel FET because
they are more efficient
they have high switching time
they have higher input impedance
mobility of electrons is more than that of holes

⇒ The 2's complement representation of - 17 is
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11110
10001

⇒ When ω_m is the modulation frequency in frequency modulation, the modulation index is proportional to
ω_m
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⇒ 300 to 3000 MHz frequency is categorized as
MF
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150 ns

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Picture in Line Tube
Precision in Line Tube
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