Electric Circuits and Currents

light emitting diodes

liquid crystal displays

cathode ray tubes

cathode ray oscilloscopes

insulated wiring

fixed resistance

variable resistance

faulty wire insulation

the components in that branch

the length of that branch

the thickness of that branch

the density of that branch

cathode

anode

positrode

negatrode

in daylight

twice

once

in moonlight

the current in coil

the voltage in coil

the resistance of coil

the thickness of coil

live and earth

live, neutral and earth

live and neutral

live, neutral, earth, positive and negative

electromagnet

magnet

electricity

spring

metal on anode

metal on cathode

metalloid on anode

transition metal on cathode

high

low

constant

all of them