Answer to Question #312099 in Electric Circuits for Mix

Question

4 

A voltmeter which is connected across a lightbulb in a circuit, reads 2V.  Consider the following: 

For every one coulomb of charge flowing through the bulb: 

 

1. 2J of heat and light is liberated 
2. The potential energy decreases with 2J 
3. The potential energy increases with 2J 

 

 

1. i and ii 
2. i and iii 
3. ii and iii 
4. i, ii, and iii 

 

 

Answer 1

Answer: 1. i and ii