Electricity Question Preview (ID: 31243)
Electricity.
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Charges enter and exit a cell through the______.
a) zinc paste
b) insulator
c) electrode
d) opening
A car battery is a ____cell.
a) hot
b) cold
c) dry
d) wet
Insulators have a lot of____________.
a) resistance
b) conductivity
c) radiant heat
d) electron motion
When electrons are moved by rubbing two objects together.
a) conduction
b) friction
c) induction
d) gapping
A switch is on when the pathway is______.
a) moving
b) wide
c) closed
d) open
A basic circuit includes a wire pathway, an energy source, and a__________.
a) spark
b) inductor
c) load
d) force
Plastic is an electrical____________.
a) inductor
b) source
c) conductor
d) insulator
Copper is an electrical_________.
a) insulator
b) conductor
c) resistor
d) blocker
All the parts are connected in a single loop in a________circuit.
a) friction
b) pathway
c) series
d) parallel
In a parallel circuit, if one light burns out, the other lights________.
a) get dimmer
b) explode
c) burn out
d) stay lit
In a series circuit, if one light breaks, _____________.
a) the other lights stay lit
b) the other lights blow up
c) the other lights go out too
d) the other lights get brighter
A circuit with more than one pathway.
a) series circuit
b) pathway circuit
c) static circuit
d) parallel circuit
Charging an object without touching it is:
a) induction
b) conduction
c) radiation
d) friction
Charging an object through direct contact is:
a) induction
b) conduction
c) friction
d) radiation
What part of an atom has a positive charge?
a) proton
b) neutron
c) electron
d) photon
What part of an atom has a neutral charge?
a) proton
b) neutron
c) electron
d) photon
What part of an atom has a negative charge?
a) proton
b) neutron
c) electron
d) photon
In an emergency a fuse or GFCI will_______.
a) stop charges from flowing
b) pull charges away
c) move charges faster
d) slow charges down
Current that only goes one direction.
a) ground current
b) alternating current
c) direct current
d) slow current
Current that changes directions, going back and forth in the wiring.
a) dead current
b) alternating current
c) direct current
d) ground current
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