electricity flows from the carbon to the zinc.

Potential,
Electric. The power which performs work in a circuit.

Potential Energy. That form of force, which, when liberated, does or
performs work.

Power Unit. The volt-amperes or watt.

Primary. The induction coil in induction machines, or in
a transformer.

Push Button. A thumb piece which serves as a switch to
close a circuit while being pressed inwardly.

Quantity. Such arrangement of electrical connections
which give off the largest amount of current.

Receiver. An instrument in telephony and telegraphy which
receives or takes in the sound or impulses.

Relay. The device which opens or closes a circuit so as to
admit a new current which is sent to a more distant
point.

Repulsion, That tendency in bodies to repel each other when
Electric. similarly charged.

Resilience. The springing back to its former condition or
position. Electricity has resilience.

Resistance. The quality in all conductors to oppose the passage
of a current.

Resistance Coil. A coil made up of wire which prevents the passage
of a current to a greater or less degree.

Resistance, The counter force in an electrolyte which seeks
Electrolytic. to prevent a decomposing current to pass through it.

Resistance: Internal, The opposing force to the movement of a current
External. which is in the cell or generator. This is called the
_internal_. That opposite action outside of the cell
or generator is the _external_.

Resonator, An open-circuited conductor for electrically
Electric. resounding or giving back a vibration, usually
exhibited by means of a spark.

Rheostat. A device which has an adjustable resistance, so
arranged that while adjusting the same the circuit
will not be open.

Safety Fuse. A piece of fusible metal of such resistance that
it breaks down at a certain current strength.

Saturated. When a liquid has taken up a soluble material
to the fullest extent it is then completely