the ratio of useful output energy to total input energy
Back
Card 17
Front
an electrical component designed to heat up, melt and break the circuit, hence stop the current, when a specified amount of electrical current passes through it
Back
Card 18
Front
a form of electromagnetic wave with wavelengths between 10^-16 and 10 nm. used in cancer treatment
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Card 19
Front
a self-propagating transverse wave that can travel in a vacuum
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Card 20
Front
the electrical energy transferred per unit charge when one form of energy is converted into electrical energy
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Card 21
Front
the process of diffracting an electron through a gap, usually between atoms in a crystal structure, an example of wave-particle duality
Back
Card 22
Front
whole number multiples of the fundamental frequency of a stationary wave
Back
Card 23
Front
the energy change of an electron when it moves through a p.d. of one volt.
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Card 24
Front
a pattern of colours of light, each colour having a specific wavelength
Back
Card 25
Front
a form of electromagnetic wave with wavelengths between 740 nm and 10 mm. used in remote controls
