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Recent questions tagged harmonics
+2
votes
1
answer
The positive and negative halves of a complex wave are symmetrical when (a) it contains even harmonics
asked
Apr 5, 2019
in
Mathematics
by
kratos
harmonics
+1
vote
1
answer
y = 5sin (3ωt + ϕ) where ω and ϕ are constant Find dy/dt (A) 15ω cos (3ωt + ϕ)
asked
Mar 18, 2019
in
JEE
by
kratos
distribution
jee
simple harmonic motion
jee mains
transmission
harmonics
+1
vote
1
answer
Derive an expression for the power, power factor and r.m.*. value for a complex wave.
asked
Jan 10, 2019
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
When a pure inductive coil is fed by a complex voltage wave, its current wave (a) has larger harmonic content
asked
Dec 22, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
Find the value of : sin(2 tan^-11/4) + cos(tan^-12√2)
asked
Dec 17, 2018
in
JEE
by
kratos
cbse
jee main 2020
jee
inverse trigonometry
jee mains
harmonics
+1
vote
1
answer
A wave equation is given as y = cos (500t – 70x), where y in mm and t is in sec.
asked
Nov 13, 2018
in
JEE
by
kratos
waves
sound
jee
elasticity
simple harmonic motion
jee mains
harmonics
+2
votes
1
answer
Non-sinusoidal wave forms are made up of (a) different sinusoidal wave forms (b) fundamental and even harmonics
asked
Nov 10, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
A complex voltage wave is applied across a pure capacitor. As compared to the fundamental voltage,
asked
Nov 6, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
|(sin 30,cos 30),(-sin 60, cos 60)| = ?
asked
Oct 19, 2018
in
Class 11
by
kratos
motion in a straight line
circle
trigonometry
class-11
class-9
class-10
harmonics
areas related to circles
+3
votes
1
answer
Which of the following harmonic voltage components in a 3-phase system would be in phase with each other?
asked
Sep 30, 2018
in
Mathematics
by
kratos
harmonics
+1
vote
1
answer
In a 3-phase system, ___th harmonic has negative phase sequence of RBY.
asked
Jul 14, 2018
in
Mathematics
by
kratos
harmonics
+1
vote
1
answer
The r.m.*. value of the complex voltage given by v = + 16√2sinωt + 12√2 sin3ωt is
asked
May 15, 2018
in
Mathematics
by
kratos
harmonics
+1
vote
1
answer
A complex current wave is given by the equation i = 14sinωt + 2sinωt. The r.m.*. value of the current is ___ ampere.
asked
May 2, 2018
in
Mathematics
by
kratos
harmonics
+1
vote
1
answer
An alternating voltage of v = 1.0 sin 500t + 0.5sin1500t is applied across a capacitor
asked
Apr 26, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
Determine whether the following two waves are of the same shape e = 10sin ( ωt + 30) – 50 sin(3ωt – 60) + 25 sin (5ωt + 40)
asked
Apr 16, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
A complex wave of r.m.*. value 240 V has 20% 3rd harmonic content, 5% 5th harmonic content and 2% 7th harmonic content.
asked
Mar 21, 2018
in
Mathematics
by
kratos
harmonics
+3
votes
1
answer
What is the average *** content of buffalo milk? (a) 7.2% (b) 4.5% (c) 9.0% (d) 10.0%
asked
Feb 3, 2018
in
Mathematics
by
kratos
zoology
harmonics
csat
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