Question is ⇒ Power is drawn from a source at power factor 0.7. P<sub>av</sub> = 300 watt. The reactive power is, Options are ⇒ (A) 0, (B) 105, (C) 100 VA, (D) 107 VA, (E) , Leave your comments or Download question paper.

Question is ⇒ Power is drawn from a source at power factor 0.7. P<sub>av</sub> = 300 watt. The reactive power is, Options are ⇒ (A) 0, (B) 105, (C) 100 VA, (D) 107 VA, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Power is drawn from a source at power factor 0.7. P_av = 300 watt. The reactive power is
A.	0 [Wrong Answer]
B.	105 [Wrong Answer]
C.	100 VA [Wrong Answer]
D.	107 VA [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D 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 mean free path of conduction electrons in copper is about 4 x 10^-8 m. For a copper block, find the electric field which can give, on an average, 1 eV energy to a conduction electron
2.62 x 10⁷ V/m
2.64 x 10⁷ V/m
2.5 x 10⁷ V/m
2.58 x 10⁷ V/m

⇒ When thyristors are connected in parallel, the current distribution may become non-uniform due to
inductive effect of current carrying conductors
capacitive effect of current carrying conductors
both inductive and capacitive effects
none of the above

⇒ ROC of sequence x[n] = δ[n] is
Not exist
z = 0
Entire Plane
Entire Plane expect z = 0, z = ∞

⇒ The attraction between the nucleus and valence electron of copper atom is
zero
weak
strong
either zero or strong

⇒ A sinusoidal voltage of 2 kV peak value is amplitude modulated to give 20% modulation. The peak value of each side band term is
400 V
200 V
100 V
800 V

⇒ It is found that a ship to ship communication suffers from fading. This can be avoided by using
space diversity
frequency diversity
broad band antenna
directional antenna

⇒ Figure represen
JFET shunt switching circuit
JFET series switching circuit
JFET analog switch
multiplexing

⇒ For a junction FET in the pinch off region as the drain voltage is increased, the drain current
becomes zero
abruptly decreases
abruptly increases
remains constant

⇒ The sensitivity curve of a standard receiver is represente
curve A
curve B
curve C
curve D

⇒ What kind of signal does the times produce?
Single pulse
Square wave
Continuous pulse
No signal

⇒ The resonant frequency of a series resonant circuit is
arithmetic mean of half power frequencies
independent of inductance of the circuit
independent of capacitance of the circuit
geometric mean of half power frequencies

⇒ 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

⇒ For parallel RLC circuit, which one of the following statements is NOT correct?
The bandwidth of the circuit deceases if R is increased
The bandwidth of the circuit remains same if L is increased
At resonance, input impedance is a real quantity
At resonance, the magnitude of input impedance attains its minimum value

⇒ To turn off an SCR, it is necessary to reduce its current to less than :
trigger current
holding current
breakover current
none of the above

⇒ For the system with given characteristic equat
3, 2, 0
4, 0, 1
3, 0, 2
4, 1, 0

⇒ In the circuit of figure the current through 3 Ω resistance at t = 0^{+0.166666666666667
2.5 A
3.1 A
0}

⇒ A series LCR circuit consisting of R = 20 Ω, | X_L | = 20 Ω and | X_C | = 20 Ω, connected across an A.C. supply of 200 V rms. The rms voltage across the capacitor is
100 ∠ 45
400 ∠ -90°
400 ∠ +90°
100 ∠ -45

⇒ Consider z transform of a signal as given b
IIR
FIR
Depends on value of n
Cannot determined

⇒ When a capacitor is connected to the terminals of an ohmmeter, the pointer indicated a low resistance initially and finally come to infinity position. This shows that capacitor is
short circuited
all right
faulty
open circuited

⇒ Which of these is the most recent display device?
LED
LCD
VF
(a) and (c)

⇒ The reactance of bypass capacitor in a CE amplifier circuit should be
equal to the resistance in parallel with it
equal to 10% or less of the resistance in parallel with it
equal to 50% of the resistance in parallel with it
independent of the resistance in parallel with it

⇒ Which connection is rarely used?
CE
CB
CC
Both (a) and (b)

⇒ For the given truth table, the correct Boolean expressio
XYZ + X YZ + X Y Z
X Y Z + XYZ + X YZ
X Y Z + XYZ + XY Z
XYZ + XYZ + XY Z

⇒ In FM, as bandwidth increases
distortion increases
distortion decreases
distortion remains unaffected
all

⇒ Television signals are propagated as ground waves.
TRUE
FALSE

⇒ We can know the arrangement of atom in a material by studying electron diffraction pattern.
TRUE
FALSE

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

⇒ Which of following is linear and bilateral parameter?
Resistors
Semi conductor diodes
Electron tubes
Transistor

⇒ A divide by 78 counter can be obtained by
6 numbers of mod-13 counters
13 numbers of mod-6 counters
one mod-13 counter followed by mod-6 counter
13 number of mod-13 counters

⇒ In a travelling wave tube distributed interaction between an electron beam and a travelling wave takes place
TRUE
FALSE