Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard XII
Physics
NCERT
Question
Time dependence of electric current in an ac circuit is given by
I
(
t
)
=
4
+
8
s
i
n
w
t
, where
t
is in second. Its effective value for one complete cycle, is
8
√
2
A
2
√
3
A
4
√
3
A
8
√
3
A
A
2
√
3
A
B
8
√
3
A
C
4
√
3
A
D
8
√
2
A
Open in App
Solution
Verified by Toppr
For
I
(
t
)
=
4
+
8
s
i
n
w
t
The
r
m
s
value of the current is
8
√
2
A
This is the effective value in one complete cycle.
Was this answer helpful?
2
Similar Questions
Q1
Time dependence of electric current in an ac circuit is given by
I
(
t
)
=
4
+
8
s
i
n
w
t
, where
t
is in second. Its effective value for one complete cycle, is
View Solution
Q2
Simplify
8
3
a
×
2
5
×
2
2
a
4
×
2
11
a
×
2
−
2
a
View Solution
Q3
Simplify :
8
3
a
×
2
5
×
2
2
a
4
×
2
11
a
×
2
−
2
a
View Solution
Q4
Simplified form of
8
3
a
×
2
5
×
2
2
a
4
×
2
11
a
×
2
−
2
a
is
2
2
a
+
k
then the value of
k
is
View Solution
Q5
The rms current in an AC circuit is
2
A
. If the wattless current be
√
3
A
, what is the power factor of the circuit?
View Solution