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COMEDK Exam 2016 Solved Paper
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© examsnet.com
Question : 39
Total: 180
Ideal voltmeter connected as shown reads
16
V
12
V
4
V
8
V
Validate
Solution:
Here,
6
Ω
and
12
Ω
resistors are in parallel combination, so their equivalent resistance,
R
eq
=
6
×
12
6
+
12
=
72
18
=
4
Ω
Now,
R
eq
and
4
Ω
are in series, so total resistance,
R
t
=
4
+
4
=
8
Ω
Emf of battery,
E
=
16
V
∴
Reading of voltmeter,
V
′
=
4
R
t
×
E
=
4
×
16
8
=
8
V
© examsnet.com
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