**A. a voltage source**

B. a current source

C. both of above

D. none of the above

### Related Mcqs:

- “Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances”. This statement is associated with:
A. Thevenin’s theorem

**B. Millman’s theorem**

C. Maximum power transfer theorem

D. None of the above - “Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with____________?
A. Millman’s theorem

B. Thevenin’s theorem

C. Superposition theorem

**D. Maximum power transfer theorem** - If resistance across LM in Fig. 2.30 is 15 ohms, the value of R is____________?
A. 10 Q

B. 20 Q

**C. 30 Q**

D. 40 Q - For high efficiency of transfer of power, internal resistance of the source should be____________?
A. equal to the load resistance

**B. less than the load resistance**

C. more than the load resistance

D. none of the above - For maximum transfer of power, internal resistance of the source should be_____________?
**A. equal to load resistance**

B. less than the load resistance

C. greater than the load resistance

D. none of the above - An ideal voltage source has__________?
**A. zero internal resistance**

B. open circuit voltage equal to the voltage on full load

C. terminal voltage in proportion to current

D. terminal voltage in proportion to load - An ideal voltage source should have______________?
A. large value of e.m.f.

B. small value of e.m.f.

**C. zero source resistance**

D. infinite source resistance - For a voltage source:
A. terminal voltage is always lower than source e.m.f.

**B. terminal voltage cannot be higher than source e.m.f.**

C. the source e.m.f. and terminal voltage are equal

D. None - “In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current / in the first branch”.
The above statement is associated with

A. compensation theorem

B. superposition theorem

**C. reciprocity theorem**

D. none of the above - A network which contains one or more than one source of e.m.f. is known as___________?
A. linear network

B. non-linear network

C. passive network

**D. active network**