Question

Problem 23

Answer 1

Given information

A battery operated flashlight requires a single   battery.The bulb is barely glowing. When  you take the battery out and check it with  digital  voltmeter  it shows  .

Step-by-step explanation

Step 1.

When there is no current in the battery, the circuit is said to be open. 

The current generated by a battery is given by:

 

where  is the potential of the battery,  is the internal resistance, and  is the bulb resistance