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In the circuit shown in fig
i_{1 } = 5sin 3t A and i_{2 }= 3 cos 3t A.
v_{2} = ?
=36 sin 3t + 45 cos 3t = 9(4sin 3t + 5cos 3t) V
In the circuit shown in fig. if current i_{1} = 5 cos (500t  20°) mA and i_{2} = 20 cos (500t  20°) mA, the total energy stored in system at t = 0 is
At t = 0, i_{1} = 4 cos (20°) = 4.7 mA
i_{2} = 20 cos (20°) = 18.8 mA,
= 151.3 μJ
The equivalent inductance of a pair of a coupled inductor in various configuration are
(a) 7 H after series adding connection
(b) 1.8 H after series opposing connection
(c) 0.5 H after parallel connection with dotted terminal connected together.
The value of L_{1} L_{2 }, and M are
⇒
Let I_{1} be the current through 4 H inductor and I_{2} and I_{3} be the current through 3 H, and 2 H inductor respectively
Consider the circuit shown in fig.
The voltage V_{AG} of terminal AD is
Consider the circuit shown in fig
The voltage v_{BG} of terminal BD is
Consider the circuit shown in fig.
The voltage v_{GC} of terminal CD is
In the circuit of fig. the ω =2 rad/s. The resonance occurs when C is
In the circuit of fig, the voltage gain is zero at ω= 333.33 rad/s.
The value of C is
In the circuit of fig. at ω = 333.33 rad/s, the voltage gain v_{out} / v_{in} is zero. The value of C is
The π equivalent circuit of coupled coil is shown in fig
Output is zero if
The evenin equivalent at terminal ab for the network shown in fig. is
Applying 1 V test source at ab terminal,
= 0.25 A
In the circuit of fig. the maximum power delivered to RL is
Impedance seen by R_{L} = 10 x 4^{2} = 160 Ω
For maximum poer R_{L} = 160Ω, Zo = 10Ω
= 250 W
The average power delivered to the 8 Ω load in the circuit of fig. is
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