The measurement of volt meter in the following circuit is
1 ) 2.25 v
2 ) 4.25 v
3) 3.25 v
4) 6.25 V
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Answers
Answered by
0
Answer:
Resistance of voltmeter and 60Ω are in parallel.
∴ Equivalent resistance
=
60+40
60×40
=
100
60×40
=24Ω
For the whole circuit,
current I=
(40+24)Ω
6V
=
64
6
=
32
3
A
The voltmeter reads potential difference across 60Ω.
∴ Voltmeter reading =I×R
eq
=
32
3
×24=
4
9
V=2.25 V.
Answered by
0
Answer:
2.25v
Explanation:
Resistance of voltmeter and 60Ω are in parallel.
∴ Equivalent resistance
=
60+40
60×40
=
100
60×40
=24Ω
For the whole circuit,
current I=
(40+24)Ω
6V
=
64
6
=
32
3
A
The voltmeter reads potential difference across 60Ω.
∴ Voltmeter reading =I×R
eq
=
32
3
×24=
4
9
V=2.25 V.
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