Question is ⇒ If the current in a capacitor leads the voltage by 80°, the loss angle of capacitor is, Options are ⇒ (A) 80°, (B) 10°, (C) 100°, (D) 170°, (E) , Leave your comments or Download question paper.

Question is ⇒ If the current in a capacitor leads the voltage by 80°, the loss angle of capacitor is, Options are ⇒ (A) 80°, (B) 10°, (C) 100°, (D) 170°, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If the current in a capacitor leads the voltage by 80°, the loss angle of capacitor is
A.	80° [Wrong Answer]
B.	10° [Correct Answer]
C.	100° [Wrong Answer]
D.	170° [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : B 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 :

⇒

Assertion (A): The inductance of an iron cored solenoid is not constant.

Reason (R): BH curve of an iron specimen is non-linear.

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 binary number 0.10110111101 is equal to hexadecimal number
B3A
B5A
B7A
BA7

⇒ For edge triggering in flip flops, manufacturers use
RC circuit
direct coupled design
either RC circuit or direct coupled design
none of the above

⇒ If A = 7 ∠15, A² is
49 ∠225°
49 ∠30°
49 ∠15°
49 ∠7.5°

⇒ If two mutually exclusive events A and B can happen in m and n ways, then either A or B can happen in (m + n) ways.
TRUE
FALSE

⇒ A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be
2.5 mH
5 mH
20 mH
40 mH

⇒ In microwave system the function of mode filter is
to suppress modes with lower cut off frequencies
to suppress modes with higher cut off frequencies
to change mode of wave transmission
both (b) and (c)

⇒ An SR flip flop can be built using NOR gates or NAND gates.
TRUE
FALSE

⇒ In using Nyquist stability criterion it is not necessary to determine closed loop poles.
TRUE
FALSE

⇒ Consider the following statements:

If any root of characteristic equation has a positive real part the impulse response is unbounded and system is unstable.
If all the roots of a characteristic equation have negative real parts, the impulse response decays to zero.
If one or more non-repeated roots of characteristic equation are on jω axis impulse response is bounded but the system is unstable.

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

⇒ 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is
0
1
32, 767
65, 535

⇒ A 6 bit ladder A/D converter has input 101001. The output is (assume 0 = 0 V and 1 = 10 V)
4.23
6.41
5.52
9.23

⇒ In figure, the current supplied by battery immediately after switching on the circui
0.0416666666666667
0.166666666666667
0.416666666666667
0

⇒ An induction wattmeter can be used for
dc only
50 Hz ac only
both ac and dc
high frequency ac only

⇒ In dc tacho generators used for measurement of speed of shaft, frequent calibration is necessary because
contacts wear off
strength of permanent magnet decreases with age
armature current produces heating effect
there is back emf

⇒ UHF range is
3 to 30 MHz
30 to 300 MHz
300 to 3000 MHz
3000 to 30000 MHz

⇒ In a series circuit with X_L constant and R variable the current locus lies in the third quadrant.
TRUE
FALSE

⇒ In an RC series circuit excited by dc voltage E, the current at t = 0 is
E/R
E/C
zero
infinity

⇒ AM amplifier having noise figure of 20 dB and available power gain of 15 dB is followed by a mixer circuit having noise figure of 9 dB. The overall noise figure as referred to input in dB is
10.44
11.07
21.52
0.63

⇒ Robotic manipulator arms mostly use
hydraulic actuator
pneumatic actuator
electric motor actuator
none of the above

⇒ If the transfer function has zeros only on jω axis or in left half plane, it is a minimum phase function.
TRUE
FALSE

⇒ The impedance parameter z₂₁ is
transfer impedance at port 1 with port 2 open circuited
transfer impedance at port 1 with port 2 short circuited
transfer impedance at port 2 with port 1 open circuited
transfer impedance at port 2 with port 1 short circuited

⇒ Thermistor has a positive temperature coefficient.
TRUE
FALSE

⇒ JFET has __________ degree of isolation between input and output, and a __________ noise figure.
low, low
high, high
low, high
high, low

⇒ The message carrying efficiency is best in
AM
FM
AM-SC
Phase modulation

⇒ If all bubbles are removed, what are the new RAM locati
(8000)_H - (83FF)_H
(80AA)_H - (80FF)_H
(FF00)_H - (FFFF)_H
none of the above

⇒

Assertion (A): CMOS devices have very low power consumption

Reason (R): CMOS devices have high noise margin.

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

⇒ A speech signal, band limited to 4kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits. Assuming the signal to be uniformly distributed between its peak values, the signal to noise ratio at the quantizer output is
156 dB
32 dB
48 dB
64 dB

⇒

Assertion (A): If we overdrive an amplifier the output signal may get clipped

Reason (R): To dissipate heat to atmosphere a heat sink is sometimes attached to the case of transistor

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

⇒ Companding is used
to overcome quantising noise in PCM
in PWM receivers to reduce impulse noise
to protect small signals in PCM from quantising noise
none of the above