In a R-L series circuit the power factor P.F. is _________.

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In a R-L series circuit the power factor P.F. is Leading.

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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...

Description : 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 is doubled from its original value, the new Q of the circuit is:  (1) 25 (2) 50 (3) 100 (4) 200

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Draw series R-L-C circuit and describe resonance.

Description : Draw series R-L-C circuit and describe resonance. 

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A series R-L-C Circuit has a resonant frequency of 1000 Hz. If the values of R, L and C are

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A series R-L circuit is suddenly connected to d.c. voltage source of V volts. The current in this series ...

Description : A series R-L circuit is suddenly connected to d.c. voltage source of V volts. The current in this series circuit, just after the switch is closed, is equal to (1) Zero (2) V/L (3) V/C (4) V.L/C 

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If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?

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In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

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Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R-L series circuit, draw phasor diagram.

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An `L-C-R` series circuit with `100Omega` resistance is connected to an `AC` source of `200V` and angular frequency `300rad//s`. When only the capacit

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In an L-C -R series circuit connected to an AC source `V=V_(0)sin(100pi(t)+(pi)/(6))``V_(R)=40V, V_(L)=40 and V_(C )=10V`, resistance `R=4Omega` Choos

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Find the time constant in a series R-L circuit when the resistance is 4 ohm and the inductance is 2 H. a) 0.25 b) 0.2 c) 2 d) 0.5

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State condition for resonance in R-L-C series circuit.

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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

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A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:

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Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit.

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The series and parallel resonance on L-C circuit differs in that?

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In a series L-C circuit at the resonant frequency the?

Description : In a series L-C circuit at the resonant frequency the?

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Power (P) in a 3 phase circuit with two watt meters at unity power factor is (W1 & W2 = watt meter readings)

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In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied

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At ______ frequencies the parallel R-L circuit behaves as purely resistive.

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In a R-L-C circuit?

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Magnitude of current at resonance in R-L-C circuit?

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In a loss-free R-L-C circuit the transient current is?

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To remove an alternator operating in parallel with another unit from the main electrical bus, you must FIRST _________. A. adjust the power factor on both units B. set the desired voltage on the outgoing alternator C. open the circuit breaker on the outgoing alternator D. remove the load from the outgoing alternator

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In a series R-C circuit, with the increase in frequency, current

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At very low frequencies a series R-C circuit behaves as almost purely?

Description : At very low frequencies a series R-C circuit behaves as almost purely?

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The time constant of a series R-C circuit is given by?

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Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R—C series circuit, draw phasor diagram.

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Mixed gas' used in steel plants is a mixture of (A) B.F. gas and coke oven gas (B) Coke oven gas and converter gas (C) Coke oven gas and L.P.G (D) Blast furnace gas and naphtha vapor

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In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

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In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

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Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9

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The first Hydrogen spectral series was identified , in 1885, by a) J.R.Rydberg b) J.J.Balmer c) Theodore Lyman d) F. S. Brackett

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Last Answer : b) J.J.Balmer

Total instantaneous power supplied by a 3-phase ac supply to a balanced R-L load is

Description : Total instantaneous power supplied by a 3-phase ac supply to a balanced R-L load is

Last Answer : Total instantaneous power supplied by a 3-phase ac supply to a balanced R-L load is constant

The performance of a cascade of CSTR's can be improved by adding (A) A P.F. reactor in series (B) A P.F. reactor in parallel (C) More CSTR's in series (D) More CSTR's in parallel

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Last Answer : (C) More CSTR's in series

For an autocatalytic reactor, the suitable reactor set up is(A) P.F. reactors in series (B) CSTR in series (C) CSTR followed by P.F. reactor (D) P.F. reactor followed by CSTR

Description : For an autocatalytic reactor, the suitable reactor set up is (A) P.F. reactors in series (B) CSTR in series (C) CSTR followed by P.F. reactor (D) P.F. reactor followed by CSTR

Last Answer : (C) CSTR followed by P.F. reactor

If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

Description : If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

Last Answer : (b) In point P (-1, 1), x-coordinate is -1 unit and y-coordinate is 1 unit, so it lies in llnd quadrant. Similarly, we can plot all the points Q (3, -4), R (1, -1), S (-2, -3) and T (-4, 4), It is clear from the graph that points R and Q lie in fourth quadrant.

Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

Description : Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

Last Answer : (c) We know that, if a point is of the form (x, 0)i.e., its y-coordinate is zero, then it will lie on X-axis otherwise not. Here, y-coordinates of points P(0, 3), R (0, -1) and T (1,2) are not zero, so these points do not lie on the X-axis.

If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

Description : If P(-l, 1), Q(3, -4), R(1, -1), S(-2, -3) and T(-4, 4) are plotted on the graph paper, then the point(s) in the fourth quadrant is/are -Maths 9th

Last Answer : (b) In point P (-1, 1), x-coordinate is -1 unit and y-coordinate is 1 unit, so it lies in llnd quadrant. Similarly, we can plot all the points Q (3, -4), R (1, -1), S (-2, -3) and T (-4, 4), It is clear from the graph that points R and Q lie in fourth quadrant.

Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

Description : Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

Last Answer : (c) We know that, if a point is of the form (x, 0)i.e., its y-coordinate is zero, then it will lie on X-axis otherwise not. Here, y-coordinates of points P(0, 3), R (0, -1) and T (1,2) are not zero, so these points do not lie on the X-axis.