T4Tutorials .PK

NETWORK THEOREM MCQs

1. An ideal constant voltage source has _______ resistance.

(A) 5Ω


(B) 10Ω


(C) Infinite


(D) Zero




2. An ideal constant current source has _______ resistance.

(A) Infinite


(B) Zero


(C) Small


(D) Very large




3. In superposition theorem, all the voltage sources except ___ are removed.

(A) Any of above


(B) Two


(C) Three


(D) One




4. In superposition, all the voltage sources except one are removed leaving behind their _______ resistance, if any.

(A) Internal


(B) Intrinsic


(C) External


(D) Extrinsic




5. Rth is _______

(A) Thevenin resistances


(B) Thevenin rating


(C) Thevenin resistance


(D) Thevenin resisting




6. While calculating Rth _______ voltage sources are removed.

(A) None


(B) All


(C) One


(D) Two




7. While calculating Rth, all voltage sources are removed but not their _______ resistance

(A) External


(B) Internal


(C) Load


(D) All of above




8. _______ equivalent of a circuit consists of a constant current source and a resistance in parallel.

(A) Superposition’s


(B) Thevenin’s


(C) Norton’s


(D) Any of above




9. Norton’s equivalent of a circuit consists of a constant current source with a _______ resistance.

(A) Series


(B) External


(C) Infinite


(D) Parallel




10. Thevenin resistance Rth is found _______.

(A) By short circuiting the given two terminals


(B) Between any two open terminals


(C) By removing voltage and internal resistance


(D) Same as for Vth




11. While thevenizing a circuit Vth equals _______.

(A) Open circuit terminal voltage


(B) Short circuit terminal voltage


(C) EMF of the battery


(D) None of above




12. Rth is the same as _______

(A) Internal resistance


(B) Vth Open Circuit Voltage


(C) Infinite resistance


(D) RN




13. RL in a circuit is _______.

(A) Linear resistor


(B) Light resistor


(C) Load resistor


(D) Liquid resistance




14. There are _______ resistances in delta connections.

(A) Three


(B) Two


(C) One


(D) Four




15. If the resistances are same, both star and delta arrangements will be __.

(A) Equal


(B) Reciprocal


(C) Un-equal


(D) Opposite




16. The term Vth is called _______.

(A) Thevenin's voltage


(B) Thevenin’s velocity


(C) Theoretical voltage


(D) None of above




17. Network theorems are used to _______ the complex circuits.

(A) Analyze


(B) Construct


(C) Usage


(D) Derail




18. Constant voltage source has very _______ internal impedance.

(A) High


(B) Low


(C) Random


(D) Fixed




19. Voltage source provides _______.

(A) Current


(B) None of above


(C) Both a and b


(D) Voltage




20. Current source provides _______

(A) Voltage


(B) Impedance


(C) a & c


(D) Current




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