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Byju's Answer
Standard XI
Physics
RMS Value
In an ac circ...
Question
In an ac circuit, the r.m.s. value of current,
I
r
m
s
is related to the peak current,
I
0
by the relation
A
I
r
m
s
=
1
π
I
0
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B
I
r
m
s
=
1
√
2
I
0
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C
I
r
m
s
=
√
2
I
0
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D
I
r
m
s
=
π
I
0
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Solution
The correct option is
B
I
r
m
s
=
1
√
2
I
0
Suggest Corrections
0
Similar questions
Q.
In an ac circuit, the r.m.s. value of current,
I
r
m
s
is related to the peak current,
I
0
by the relation
Q.
The rms value of current
I
r
m
s
is
(where,
I
0
is the value of peak current)
Q.
If
i
0
,
i
r
m
s
a
n
d
i
m
e
a
n
are the values of peak, rms and mean currents of a.c, then
Q.
Assertion
(
A
)
: The r.m.s. value of alternating current is defined as the square root of the average of
I
2
during a complete cycle.
Reason
(
R
)
: For sinusoidal a.c.
(
I
=
I
0
sin
ω
t
)
and
I
rms
=
I
0
√
2
.
Q.
In an ac circuit the current is given by
i
=
0.5
s
i
n
(
314
t
+
60
o
)
milliampere. Then peak to peak value of current is :
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