What is the strength of the electric force between them

Reference no: EM131272911

1. A +3C object is located 3m from a -2C object. What is the strength of the electric force between them?

2. Object A is repelled from a negatively charged sphere and attracted to object B. Object B is repelled from Object C.

a. What are the charges of Objects A, B, and C?

b. If you bring another object, D, nearby, how could you tell if it was charged?

3. A student decides to build a battery from materials around the house. What exactly would you need? Draw a diagram and label the pieces that you would use to build this homemade battery.

4. In an attempt to help a friend who has a dead car battery, you accidentally wire the batteries backwards. In this orientation, 3C of charge rapidly flow across the remaining 6V of the "dead" battery. How much energy is converted into heat? (This can actually boil all the liquid in the battery and cause it to explode!)

5. Draw two 1.5-V batteries in series. What is the total voltage?

6. Draw two 1.5-V batteries in parallel. What is the total voltage?

7. Draw two 20-ohm resistors in series What is the total resistance?

8. Draw two 20-ohm resistors in parallel. What is the total resistance? (Do you need to know what the battery voltage is to answer this question? Hint: try it with several different batteries.)

9. All the batteries shown below are 1V and all the bulbs are 10 ohms. What is the current through each branch of the circuits below? What is the total current in each circuit? What is the total resistance of each of these circuits? (In other words, if you replaced all the bulbs with one single bulb, what resistance would that bulb have to measure for the current to remain the same?)

Reference no: EM131272911

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