A battery has an internal resistance of 4.0 $\Omega$ .Which of the following load resistors would have the most power delivered to it when connected across the battery?
A)1.4 $\Omega$
B)2.0 $\Omega$
C)4.0 $\Omega$
D)8.0 $\Omega$
E)16 $\Omega$

Question

A battery has an internal resistance of 4.0  $\Omega$ .Which of the following load resistors would have the most power delivered to it when connected across the battery?
A)1.4  $\Omega$ 
B)2.0 $\Omega$ 
C)4.0 $\Omega$ 
D)8.0 $\Omega$ 
E)16  $\Omega$

Quizplus · Accepted Answer

The maximum power is delivered to the load resistor when it is equal to the internal resistance of the battery, according to the maximum power transfer theorem. Here, the internal resistance is 4.0 Ω, so the load resistor should also be 4.0 Ω for maximum power transfer.

A Battery Has an Internal Resistance of 4 Ω\OmegaΩ Which of the Following Load Resistors Would Have the Most

A Battery Has an Internal Resistance of 4 $\Omega$ Which of the Following Load Resistors Would Have the Most