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Byju's Answer
Standard XII
Physics
Power in Electric Circuits
The voltage a...
Question
The voltage across the
10
Ω
resistor in the given circuit is
x
volt.
The value of
x
to the nearest integer is
.
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Solution
50
Ω
and
20
Ω
are in parallel combination. Their equivalent resistance,
R
e
q
=
50
×
20
50
+
20
⇒
R
e
q
=
1000
70
=
100
7
Ω
These both resistances are in series combination, their equivalent resistance,
R
e
q
=
10
+
100
7
=
170
7
Ω
I
=
V
R
=
170
170
/
7
I
=
7
A
7
A
current will flow through
10
Ω
resistor.
Potential Across
10
Ω
:
V
10
=
I
R
=
7
×
10
=
70
V
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