Adj uses a 110-volt outlet to plug in a strobe light. if the current flowing through the light is 0.050 amps, how much resistance is within the circuit?

In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than

How would doubling the made of an object change the objects potential energy

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples