1. In a maximum power transfer theorem the internal resistance must be

- Greater than the internal resistance
- Equal to zero
- Equal to load resistance
- Equal to internal resistance

2. Maximum power transfer takes place at an efficiency of

- 25%
- 75%
- 50%
- 100%

3. The maximum power dissipation in a resistance from a battery of electromotive force ‘E’ and internal resistance ‘r’ will be

- $\frac{E^2}{8r}$
- $\frac{E^2}{4r}$
- $\frac{E^2}{2r}$
- $\frac{E^2}{r}$

4. Maximum power is transferred from a source to a load when

- the load resistance is very large
- the load resistance is very small
- the load resistance is twice the source resistance
- the load resistance equals the source resistance

5. Given condition justifies which network theorems: The load impedance should be complex conjugate of the internal impedance of the active network.

- compensation theorem
- millman’s theorem
- maximum power transfer theorem
- reciprocity theorem

6. The maximum power transfer theorem is used in

- electronic circuits
- power system
- home lighting system
- none of these

7. When maximum power transfer takes place, the efficiency of power transfer of the circuit is

- 25%
- 50%
- 75%
- 100%

8. The maximum power that can be transmitted in a network between sources and loads when the system is subject to small disturbances is called

- steady-state stability limit
- transient stability limit
- sub-transient stability limit
- none of the above

9. “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 given statement is associated with

- millman’s theorem
- thevenin’s theorem
- superposition theorem
- maximum power transfer theorem

10. Maximum power transfer theorem states an independent voltage source in series with an impedance Z_{th} delivers maximum average power to the load impedance Z_{L}: wherein

- Z
_{th}= Z_{L} - Z
_{th}≠ Z_{L} - Z
^{∗}_{th}= Z_{L} - Z
_{th}= 2 Z_{L}

11. What is the maximum power transferred to a load for a resistive Thevenin’s circuit and condition for which it occurs?

- P
_{max}= 4 V^{2}_{th}/ R_{th}and R_{L}= R_{th} - P
_{max}= V^{2}_{th}/ 4R_{th}and R_{L}= R_{th} - P
_{max}= V^{2}_{th}/ 2R_{th}and R_{L}= R_{th}/2 - P
_{max}= 2 V^{2}_{th}/ R_{th}and R_{L}= 2R_{th}

12. In which of the following, it is not desired to attain the condition of maximum power transfer?

- electronic circuits
- communicational circuits
- computer circuits
- electric circuits