Electricity questions?

Help! I'm a teacher and I can't find my answer key, and I can't remember all of the questions answers. Can someone please help?





1). A simple complete circuit must have wires connected to a(n)_________.


a. switch


b.switch and conductor


c.source of electrons


d.source of electrons and conductor


2). A battery produces current electricity from_______.


a.mechanical energy


b.static energy


c.chemical energy


d.strong nuclear force


3).When you walk across a carpeted floor and then touch a metal doorkno, the "shock" you may feel occurs because of a(n)__________.


a.static discarge


b.electric field


c.static charge


d.chemical reaction


4).A measure of the potential energy available in a complete circuit is________.


a.current


b.power


c.resistance


d.voltage


5).Dry skin is a good_______. a.conductor b.insulator c. source of negative charges d. voltage


6).The negative terminal of a battery has ____________.


a.a pileup of positive charges


b.a positive charge


c.a pileup of

Electricity questions?
1) c


2) c


3) a


4) d


5) a


6) c


7) b


8) a


9) This one could have two answers. Conventionally, current is said to flow from the positive terminal to the negative one. However, we now know that current flows in the opposite direction. In most scenarios, the conventional model is generally used to describe current flow.


10) Ohms


11)The electric current will cause a person's muscles to contract, thus forcing him to grasp the wire. (Although this is rare.)
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