Two coils are connected in series and their effective inductance is found to be 20H. When the connections of one coil are reversed, the effective inductance is 6 H. If the coefficient of coupling is 0.6, then the self - inductance of each coil and the mutual inductance will be
In the circuit shown in fig. if current i1 = 5 cos (500t - 20°) mA and i2 = 20 cos (500t - 20°) mA, the total energy stored in system at t = 0 is
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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 L1 L2 , and M are
Consider the circuit shown in fig.
The voltage VAG of terminal AD is
Consider the circuit shown in fig
The voltage vBG of terminal BD is
Consider the circuit shown in fig.
The voltage vGC 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 vout / vin is zero. The value of C is
The evenin equivalent at terminal ab for the network shown in fig. is
In the circuit of fig. the maximum power delivered to RL is
The average power delivered to the 8 Ω load in the circuit of fig. is
25 docs|263 tests
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25 docs|263 tests
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