Circuit Theorems And Conversions MCQ Questions & Answers | Electrical Engineering

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Important Theory

11.
Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.

A. True

B. False

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12.
Find the Norton circuit, that is, IIN and RN, for the circuit given below.

A. 478 mA, 12.8 Ω

B. 750 mA, 12.8 Ω

C. 478 mA, 6.8 Ω

D. 750 mA, 6.8 Ω

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13.
Find the Thevenin equivalent (V_TH and RTH) between terminals A and B of the circuit given below.

A. 4.16 V, 120 Ω

B. 41.6 V, 120 Ω

C. 4.16 V, 70 Ω

D. 41.67 V, 70 Ω

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14.
Referring to circuit given, if R1 is changed to a 68 Ω resistor, what will be the current through it?

A. 0.16 A

B. 0.24 A

C. 0.2 A

D. 0.04 A

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15.
A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load is

A. 0 V

B. 12 V

C. 120 V

D. Cannot be determined

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