In the given circuit diagram, if ideal ammeter is connected between points A and B, its reading is 5 A. if ammeter of resistance 3 S2 is connected between A and B, its reading is 3 A. Reading of ideal voltmeter is 90/n volt, if it is connected between A and B. Find the value of n.
Attachments:
Answers
Answered by
4
Explanation:
Answer
Correct option is
A
0 and 2A
In the problem X
C
=4Ω
and X
L
=4Ω
So, V across X
C
and X
L
will be same and in opposite direction, So net voltage will be zero. Since voltmeter is connected parallel to Capacitor and inductor so, it will read 0 volts.
Current =
impedance
V
impedence=
R
2
+X
L
2
Current=
45
2
+4
2
90
=
45.17
90
≃2A.
Similar questions