In the circuit shown in fig. P1.9.11 if current i1 = 5 cos (500t - 20 0) mA and i2 = 20 cos (500t - 200) 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
In the network of fig. P1.9.19 following terminal are connected together
(i) none (ii) A to B (iii) B to C (iv) A to C
The correct match for equivalent induction seen at terminal a - b is
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68 videos|85 docs|62 tests
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