1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Physics
Factors Affecting Resistance & How They Affect
show mathemat...
Question
show mathematically that the current flowing through an ideal inductor is wattless current
Open in App
Solution
Dear Student ,
I
n
a
n
a
.
c
.
(
a
l
t
e
r
n
a
t
i
n
g
c
u
r
r
e
n
t
)
c
i
r
c
u
i
t
,
t
h
e
r
e
a
r
e
t
w
o
c
o
m
p
o
n
e
n
t
s
t
o
i
m
p
e
d
a
n
c
e
.
T
h
e
r
e
i
s
a
r
e
s
i
s
t
i
v
e
c
o
m
p
o
n
e
n
t
a
n
d
a
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
.
T
h
e
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
i
s
t
h
e
a
l
g
e
b
r
a
i
c
s
u
m
o
f
t
h
e
t
o
t
a
l
i
n
d
u
c
t
i
v
e
a
n
d
c
a
p
a
c
i
t
i
v
e
r
e
a
c
tan
c
e
.
B
o
t
h
t
h
e
r
e
s
i
s
t
i
v
e
a
n
d
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
s
i
m
p
e
d
e
t
h
e
f
l
o
w
o
f
a
.
c
.
c
u
r
r
e
n
t
.
T
h
e
r
e
s
i
s
t
i
v
e
c
o
m
p
o
n
e
n
t
c
o
n
v
e
r
t
s
p
o
w
e
r
i
n
t
o
h
e
a
t
t
h
a
t
i
s
w
a
s
t
e
d
.
T
h
e
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
s
t
o
r
e
s
p
o
w
e
r
i
n
a
m
a
g
n
e
t
i
c
f
i
e
l
d
(
f
o
r
i
n
d
u
c
t
o
r
s
)
a
n
d
a
n
e
l
e
c
t
r
i
c
f
i
e
l
d
(
f
o
r
c
a
p
a
c
i
t
o
r
s
)
.
W
h
e
n
t
h
e
p
o
w
e
r
s
o
u
r
c
e
i
s
t
u
r
n
e
d
o
f
f
,
t
h
e
m
a
g
n
e
t
i
c
a
n
d
e
l
e
c
t
r
i
c
f
i
e
l
d
s
c
o
l
l
a
p
s
e
a
n
d
r
e
t
u
r
n
t
h
e
s
t
o
r
e
d
e
n
e
r
g
y
b
a
c
k
t
o
t
h
e
c
i
r
c
u
i
t
i
n
t
h
e
f
o
r
m
o
f
a
n
i
n
d
u
c
e
d
c
u
r
r
e
n
t
.
S
o
n
o
e
n
e
r
g
y
i
s
w
a
s
t
e
d
i
n
t
h
e
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
s
.
T
h
e
r
e
f
o
r
e
sin
c
e
p
o
w
e
r
i
s
m
e
a
s
u
r
e
d
i
n
w
a
t
t
s
,
t
h
e
c
u
r
r
e
n
t
f
l
o
w
i
n
g
t
h
r
o
u
g
h
r
e
a
c
t
i
v
e
c
o
m
p
o
n
e
n
t
s
i
s
c
o
n
s
i
d
e
r
e
d
t
o
b
e
"
w
a
t
t
l
e
s
s
c
u
r
r
e
n
t
"
.
Regards
Suggest Corrections
0
Similar questions
Q.
An ideal inductor is in turn put across
220
V
,
50
H
z
and
220
V
,
100
H
z
supplies. The current flowing through it in the two cases will be then
Q.
State whether true or false:
The current, i that flows through an inductor produces a magnetic flux that is inversely proportional to it.
Q.
If
L
denotes the inductance of an inductor through which a current
i
is flowing, the dimensions of
L
i
2
are
Q.
(a) Describe a simple experiment (or activity) to show that the polarity of emf induced in a coil is always such that it tends to produce a current which opposes the change of magnetic flux that produces it.
(b) The current flowing through an inductor of self inductance
L
is continuously increasing. Plot a graph showing the variation of
(i) Magnetic flux versus the current
(ii) Induced emf versus
d
l
/
d
t
(iii) Magnetic potential energy stored versus the current.
Q.
In a parallel C-R network with a voltage source, the current flowing through resistor is _______ current and that flowing through the capacitor is ________ current.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Factors Affecting Resistance & How They Affect_Tackle
PHYSICS
Watch in App
Explore more
Factors Affecting Resistance & How They Affect
Standard X Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app
