Question is ⇒ Consider the following statements regarding sources or error in a Q-meter: <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q.</li><li style="padding-top:10px;">If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected.</li><li style="padding-top:10px;">The presence of distributed capacitance in a coil modifies the effective Q of the coil.</li></ol> Which of the above statements are correct?, Options are ⇒ (A) 1, 2 and 3, (B) 1 and 2 only, (C) 2 and 3 only, (D) 1 and 3 only, (E) , Leave your comments or Download question paper.

Question is ⇒ Consider the following statements regarding sources or error in a Q-meter: <ol style="list-style-type: decimal; padding-bottom:10px;"><li style="padding-top:10px;">If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q.</li><li style="padding-top:10px;">If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected.</li><li style="padding-top:10px;">The presence of distributed capacitance in a coil modifies the effective Q of the coil.</li></ol> Which of the above statements are correct?, Options are ⇒ (A) 1, 2 and 3, (B) 1 and 2 only, (C) 2 and 3 only, (D) 1 and 3 only, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Consider the following statements regarding sources or error in a Q-meter: If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q. If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected. The presence of distributed capacitance in a coil modifies the effective Q of the coil. Which of the above statements are correct?
A.	1, 2 and 3 [Wrong Answer]
B.	1 and 2 only [Wrong Answer]
C.	2 and 3 only [Correct Answer]
D.	1 and 3 only [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 :

⇒ The number of repeaters in a coaxial cable link depends on
system bandwidth
separation of equalizers
the number of coaxial cables in the tube
none of the above

⇒ The open loop gain of an amplifier is 50 but is likely to change by 20%. If negative feedback with β = 0.1 is used, the change in gain will be about
0.2
0.1
0.04
0.0005

⇒ The Table given below is the mark obtained by 2 students in 8 different subjec
y + 0.57x = 9.7558
y - 0.57x = 9.758
033y + x = 6.335
0.33y - x = 6.335

⇒

Assertion (A): In a BJT base current is very small.

Reason (R): In a BJT recombination in base region is high.

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

⇒ In floating point number 0110100000010101, the exponent is equal to __________ ₁₀
11
-11
10
-10

⇒ For the polynomial P(s) = s⁵ + s⁴ + 2s³ + 2s² + 3s + 15 The number of roots which lie in the right half of the s plane is :
4
2
3
1

⇒ A thermistor is used for
over voltage protection
temperature alarm circuit
automatic light control
none of the above

⇒ When a constant voltage source and constant current source are in series, the current source is ineffective.
TRUE
FALSE

⇒ In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is
30 V
60 V
15 V
10 V

⇒ For real and odd signals, the Fourier series coefficient a_n is
purely imaginary
purely real and even
purely imaginary and odd
purely real and odd

⇒ It is required to measure angular position. Out of the transducers

Circular potentiometer
LVDT
E pick up
Synchro

The proper devices are
1, 2, 3, 4
2 and 3
1, 2, 4
1 and 4

⇒ Which of the following is 'synchronous'?
Half adder
Full adder
R-S flip-flop
Clocked R-S flip-flop

⇒ Which one of the following statements is correct for MOSFETS?
p channel MOS is easier to produce than n channel MOS
n channel MOS must have twice the area of p channel MOS for the same ON resistance
p channel MOS has faster switching action than n channel MOS
p channel MOS has higher packing density than n channel MOS

⇒ A half wave diode rectifier and full wave diode bridge rectifier both have an input frequency of 50 Hz. The frequencies of outputs respectively are
100 Hz and 50 Hz
50 Hz and 100 Hz
100 Hz each
50 Hz each

⇒ Ferrimagnetic materials have anti-parallel orientation of equal moments of permanent dipoles.
TRUE
FALSE

⇒ In a Weston synchronoscope the deflecting torque is zero when
currents in fixed and moving coils are in phase
currents in fixed and moving coils are out of phase by 90°
currents in fixed and moving coils are out of phase by 60°
none of the above

⇒ A balanced modulator circuit uses
two identical diodes with same V-I characteristics
two triodes with different V-I characteristics
two diodes with different V-I characteristics
a diode and a triode

⇒ 24 telephone channels, each band limited to 3.4 kHz are to be time division multiplexed using PCM. If sampling frequency is 10 kHz and number of quantization levels is 128, the required bandwidth of PCM is
1.68 MHz
240 kHz
81.6 kHz
3.072 MHz

⇒ In a bridge rectifier circuit the rms value of input ac voltage is 10 V. The PIV across each diode is
7.07 V
14.14 V
10 V
28.28 V

⇒ Consider the following logical IF statement in Fortran 77 IF (SALT - PEPPER) 11, 11, 13
IF (SALT - PEPPER) 13, 11, 11
IF (SALT - PEPPER) 13, 13, 11
IF (SALT - PEPPER) 11, 13, 13

⇒ A parallel plate capacitor having C = 200 x 10^-12 F has loss dielectric having tan δ = 4 x 10^-4. At an ac voltage of f = 10⁶ Hz and peak value 2 V, the dielectric losses are
10^-8 W
10^-6 W
10^-4 W
10^-2 W

⇒ In a transistor E mode the collector current with the transistor in cut off region is
zero
high
equal to saturated value
none of the above

⇒ Read the following statements about files in Pascal

A file is a data structure which consists of a sequence of components of the same type.
The number of components in a file is variable.
The components in a file can be accessed only sequentially starting from the beginning of the file.

Which of the above are correct?
All
1 and 2 only
2 and 3 only
1 and 3 only

⇒

Assertion (A): The phase angle plot in Bode diagram is not affected by change in system gain.

Reason (R): The variation in gain has no effect on phase margin of the system.

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 correct but R is wrong
R is correct but A is wrong

⇒ The root locus branches
start from open loop poles and terminate at zeros
start from open loop zeros and terminate at poles
may start from pole or zero and terminate at another pole or zero
none of the above

⇒ The energy to cause thermionic emission is supplied by heating the cathode.
TRUE
FALSE

⇒ The polar plot of transport lag is a unit circle.
TRUE
FALSE

⇒ Following figure repres
AND
OR
NAND
NOT

⇒ An air gap provided in the iron core of an inductor prevents
flux leakage
hysteresis loss
core saturation
heat generation

⇒ Which materials find application in MASER?
Diamagnetic
Paramagnetic
Ferromagnetic
Ferrimagnetic