P1 Topic 6

Questão	Responda
What is defined as ‘the energy transferred per second’ and is measured in watts?	Power
What is measured in kilowatt hours?	Energy from the mains supply.
Give one advantage of low energy appliances.	cost efficiency, saving energy and resources.
Give one disadvantage of low energy appliances.	initial cost, use of extra resources to manufacture new device, cost of disposal of old device
State the 8 types of energy.	Heat, light, sound, nuclear, kinetic, potential, chemical, electrical
Define efficiency.	The proportion of energy usefully transferred.
For an object to remain at a constant temperature, what must be balanced?	The amount of power radiated as absorbed.

Resumo de Recurso

	Criado por Princess Terin mais de 10 anos atrás