Toggle navigation
Email or Username
Password
Remember
Login
Register

I forgot my password
Engineering Whatsapp groups
All Activity
Questions
Unanswered
Ask a Question
For a series R C circuit, the power factor corresponding to maximum power is
For a series R C circuit, the power factor corresponding to maximum power is (a) 05 lag (b) 0.5 lead (c) 0.707 lag (d) 0707 lead
asked
Apr 23, 2018
by
Zeeshan
answer
comment
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
like
0
dislike
For a series R C circuit, the power factor corresponding to maximum power is
0.707 lead
answered
Apr 23, 2018
by
Zeeshan
ask related question
comment
Please
log in
or
register
to add a comment.
Related questions
1
answer
In a RL series circuit the power factor P.F. is _________.
asked
Mar 31, 2018
by
anonymous1

15
views
0
answers
The power in a series RL C circuit will be half of that at resonance when the magnitude of the current is equal to
asked
Mar 31, 2018
by
anonymous1

158
views
0
answers
A ramp voltage V(t)=100 V is applied to an RC differentiating circuit with R=5 kΩ and C=4 μF. The maximum...
asked
Apr 5, 2018
by
anonymous1

29
views
0
answers
A series RL circuit is suddenly connected to d.c. voltage source of V volts. The current in this series ...
asked
Apr 11, 2018
by
anonymous1

254
views
1
answer
Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit.
asked
Jul 10
by
anonymous1

475
views
2
answers
The power factor at resonance in RL C parallel circuit is?
asked
Mar 25, 2018
by
anonymous1

39
views
1
answer
A series RLC circuit has a resonant frequency of 1 KHz and a quality factor Q = 100. If each of the R,L and C...
asked
Apr 9, 2018
by
anonymous1

36
views
1
answer
A step voltage E is applied to a series RL circuit. The rate of change of current is maximum at t = _:
asked
Apr 9, 2018
by
anonymous1

49
views
1
answer
An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to
asked
Jun 18, 2018
by
anonymous1

312
views
1
answer
The angle of a series RLC circuit is leading if _________.
asked
Mar 31, 2018
by
anonymous1

16
views
1
answer
The time constant of a series RC circuit is given by?
asked
Mar 25, 2018
by
anonymous1

21
views
1
answer
When a D.C. series motor is connected to A.C. supply, the power factor will be low because of?
asked
Mar 20, 2018
by
anonymous1

29
views
1
answer
In a series RC circuit, with the increase in frequency, current
asked
May 8, 2018
by
anonymous1

16
views
1
answer
A series RLC Circuit has a resonant frequency of 1000 Hz. If the values of R, L and C are
asked
May 8, 2018
by
anonymous1

24
views
1
answer
For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is
asked
Apr 30, 2018
by
anonymous1

44
views
1
answer
At very low frequencies a series RC circuit behaves as almost purely?
asked
Mar 25, 2018
by
anonymous1

286
views
1
answer
The power factor of a D.C. circuit is always?
asked
Mar 25, 2018
by
anonymous1

50
views
1
answer
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
asked
Mar 25, 2018
by
anonymous1

91
views
1
answer
In an RCL series circuit, during resonance, the impedance will be _____.
asked
Mar 31, 2018
by
anonymous1

25
views
1
answer
In RLC series resonant circuit magnitude of resonance frequency can be changed by changing the value of?
asked
Mar 25, 2018
by
anonymous1

24
views
0
answers
For a resonant circuit with resonant frequency of 1 MHz a, 0 = 50 and R = 400, find the value of C
asked
Apr 14, 2018
by
anonymous1

17
views
1
answer
If R, L and C are the parameters of a resistor then the condition for the resistor to be noninductive is
asked
Mar 28, 2018
by
anonymous1

23
views
1
answer
In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage
asked
May 1, 2018
by
anonymous1

63
views
1
answer
In a circuit containing R, L and C, power loss can take place in?
asked
Mar 25, 2018
by
anonymous1

32
views
1
answer
When a source is delivering maximum power to a load, the efficiency of the circuit is always
asked
Apr 23, 2018
by
Zeeshan

22
views
1
answer
What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively?
asked
Apr 29, 2018
by
anonymous1

22
views
0
answers
For dynamic equalizing circuit used for series connected SCRs, the choice of C is based on
asked
Apr 14, 2018
by
anonymous1

15
views
0
answers
A parallel combination of capacitance C and resistance R is connected in series with inductance L and small...
asked
Apr 5, 2018
by
anonymous1

23
views
0
answers
A dc shunt motor runs at 500 r.p.m at 220 V. A resistance of 4.5 Ω is added in series with the armature for...
asked
Apr 11, 2018
by
anonymous1

25
views
1
answer
In a lossfree RLC circuit the transient current is?
asked
Mar 25, 2018
by
anonymous1

43
views
0
answers
If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be...
asked
Apr 14, 2018
by
anonymous1

74
views
0
answers
An RL series AC circuit has R = 10 ohm and XL = 10 ohm. It is connected to an AC voltage source, the phase
asked
May 25, 2018
by
anonymous1

15
views
1
answer
If resistance is 20 Q. and inductance is 27 in a RL series circuit, then time constant of this circuit will be?
asked
Mar 25, 2018
by
anonymous1

30
views
1
answer
The period corresponding to 50 Hz power supply is
asked
May 15, 2018
by
anonymous1

3
views
0
answers
If X is the system reactance and R is its resistance, the power transferred is maximum when
asked
Apr 11, 2018
by
anonymous1

132
views
1
answer
For a series resonant circuit, at the half power points,which of the following is true?
asked
May 16, 2018
by
anonymous1

18
views
0
answers
In a series RLC circuit at resonance, which of the following quantities attains maximum value ?
asked
Apr 14, 2018
by
anonymous1

15
views
1
answer
In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be?
asked
Mar 20, 2018
by
anonymous1

21
views
1
answer
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of______degrees.
asked
Mar 24, 2018
by
anonymous1

25
views
0
answers
The condition for maximum power in case of D.C. motor is?
asked
Mar 20, 2018
by
anonymous1

35
views
1
answer
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
asked
Mar 25, 2018
by
anonymous1

28
views
1
answer
Power factor of an electrical circuit is equal to?
asked
Mar 24, 2018
by
anonymous1

35
views
1
answer
In a series resonant circuit, maximum voltage across L occurs at
asked
Apr 23, 2018
by
Zeeshan

20
views
1
answer
In a series LC circuit at the resonant frequency the?
asked
Mar 25, 2018
by
anonymous1

23
views
0
answers
When a resistor R is connected to a current source, it consumes a power of 18 W. When the same R is ...
asked
Apr 5, 2018
by
anonymous1

46
views
1
answer
In a RLC circuit?
asked
Mar 25, 2018
by
anonymous1

12
views
1
answer
The Q factor of a coil at resonant frequency 1.5 MHz of an RLC series circuit is 150. The Bandwidth is : 
asked
Apr 14, 2018
by
anonymous1

33
views
0
answers
At maximum efficiency of a singlephase transformer, the load power factor is
asked
Jun 4, 2018
by
anonymous1

21
views
0
answers
A 1phase, 7.46 kW motor is supplied from a 400 V, 50 Hz A.C mains. Its efficiency is 85% and power factor is ...
asked
Apr 11, 2018
by
anonymous1

62
views
1
answer
If the inertia constant H of a machine of 200 MVA is 2 p.u., its value corresponding to 400 MVA will be
asked
May 13, 2018
by
anonymous1

65
views