Norton’s Theorem MCQ’s

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This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Norton’s Theorem”.

1. The expression of Norton’s current (IN) in the circuit shown below is?

network-theory-questions-answers-nortons-theorem-ac-q2

a) V/Z1
b) V/Z2
c) V(Z2/(Z1+Z2))
d) VZ1/(Z1+Z2)

2. The expression of equivalent impedance (ZN) in the circuit shown below is?

network-theory-questions-answers-nortons-theorem-ac-q2

a) (Z1+Z2)/Z1
b) (Z1+Z2)/Z2
c) Z1Z2/(Z1+Z2)
d) Z1+Z2

3. Norton’s current is equal to the current passing through the ___________ circuited ___________ terminals.
a) short, input
b) short, output
c) open, output
d) open, input

4. Determine Norton’s equivalent current in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q4

a) 5∠53.13⁰
b) 4∠53.13⁰
c) 4∠53.13⁰
d) 5∠-53.13⁰

5. Determine the Norton’s impedance seen from terminals ‘ab’.

network-theory-questions-answers-nortons-theorem-ac-q6

a) 6∠90⁰
b) 7∠90⁰
c) 6∠-90⁰
d) 7∠-90⁰

6. Find the load current in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q6

a) 3.19∠166.61⁰
b) 3.19∠-166.61⁰
c) 4.19∠166.61⁰
d) 4.19∠-166.61⁰

7. The Norton’s equivalent impedance in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q4

a) 4.53∠9.92⁰
b) 4.53∠-9.92⁰
c) 5.53∠9.92⁰
d) 5.53∠-9.92⁰

8. Find the Norton’s current passing through ‘ab’ in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q6

a) 4.16∠126.8⁰
b) 5.16∠126.8⁰
c) 5.16∠-126.8⁰
d) 4.16∠-126.8⁰

9. Determine Norton’s equivalent impedance in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q9

a) (5+j6) Ω
b) (5-j6) Ω
c) (6+j7) Ω
d) (6-j7) Ω

10. Find the Norton’s current in the circuit shown below.

network-theory-questions-answers-nortons-theorem-ac-q9

a) 40∠30⁰
b) 40∠-30⁰
c) 30∠30⁰
d) 30∠-30⁰

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