2. what is the force between two ballons with a negative charge of 1.6x10-10c if the ballon s are 5.0cm apart?
3. How much entergy is avalible from a 12V storage battery that can transfer a total charge equivalent to 1000,000C?
7. What is the voltage across a 60.0 resistor with a current of 31/3 amp?
11. An electric motor draws a current of 11.5 A in a 240V circuit. what is the power of thios motor in W ?
13. Is it impossible for two people to simultaneously operate 1300W hair dryers on the same 120V circuit without tripping a 15A circuit breaker? Explain?
Rate of energy and other concepts are studied.