 # Thevenin's and Norton's theorem objective questions and answers

1.  Thevenin's resistance Rth is found

A. By removing voltage sources along with their internal resistances

B. By short-circuiting the given two terminals

C. Between any two open terminals

D. Between same open terminals as for Eth

D. Between same open terminals as for Eth

2.  While Thevenizing a circuit between two terminals, V th is equal to

A. Short-circuit terminal voltage

B. Open-circuit terminal voltage

C. Net voltage available in the circuit

D. E.M.F. of the battery nearest to the terminals

B. Open-circuit terminal voltage

3.  Application of Norton's theorem to a circuit yields

A. Equivalent current source and impedence in series

B. Equivalent current source and impedence in parallel

C. Equivalent impedence

D. Equivalent current source

B. Equivalent current source and impedence in parallel

4.  Norton's equivalent resistance is the ..............as Thevenin's equivalent resistance.

A. Not same

B. Same

C. Both A and B

D. None of the above

B.Same

5.  ...........theorem is quite useful when the current in one branch of a network is to be determined or when the current in an added branch is to be calculated.

A. Norton

B. Thevenin

C. Superposition

D. Maximum Power Transfer