Nccer Electrical Module 3 (Intro To Electrical Circuits) Study Guide Questions And Correct Answers

a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? {Ans: 500w}voltage is defined as the? {Ans: driving force that makes current flow in a circuit}a resitor has no further band, this indicates that the resitor tolerance is? {Ans: +- 20}if the resitors of a circuit is 20 ohms and the current is 10 amps, the power in watts is? {Ans: 2500 watts}which of the following is used to step voltage down to lower levels before it reaches a home or office? {Ans: transformers}an electronic repels? {Ans: other electrons}