Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Tests > Test: Magnetically Coupled Circuits - Electronics and Communication Engineering (ECE) MCQ
Test: Magnetically Coupled Circuits - Electronics and Communication Engineering (ECE) MCQ
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20 Questions MCQ Test - Test: Magnetically Coupled Circuits
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Test: Magnetically Coupled Circuits - Question 1
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
Test: Magnetically Coupled Circuits - Question 2
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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Test: Magnetically Coupled Circuits - Question 7
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
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Test: Magnetically Coupled Circuits - Question 12
Consider the circuit shown in fig.
The voltage VAG of terminal AD is
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Test: Magnetically Coupled Circuits - Question 13
Consider the circuit shown in fig
The voltage vBG of terminal BD is
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Test: Magnetically Coupled Circuits - Question 14
Consider the circuit shown in fig.
The voltage vGC of terminal CD is
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Test: Magnetically Coupled Circuits - Question 15
In the circuit of fig. the ω =2 rad/s. The resonance occurs when C is
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Test: Magnetically Coupled Circuits - Question 16
In the circuit of fig, the voltage gain is zero at ω= 333.33 rad/s.
The value of C is
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Test: Magnetically Coupled Circuits - Question 17
In the circuit of fig. at ω = 333.33 rad/s, the voltage gain vout / vin is zero. The value of C is
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Test: Magnetically Coupled Circuits - Question 18
The evenin equivalent at terminal ab for the network shown in fig. is
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= 0.25 A
Test: Magnetically Coupled Circuits - Question 19
In the circuit of fig. the maximum power delivered to RL is
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= 250 W
Test: Magnetically Coupled Circuits - Question 20
The average power delivered to the 8 Ω load in the circuit of fig. is
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