What was the purpose of EFTA (European Free Trade Association)?
Options: To remove all tariffs on trade of industrial goods between the member countries, To aid the creation of a single west European market to help boost world trade, both (a) and (b), None of the above
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Options: work done in rolling is more than in lifting, work done in lifting the stone is equal to rolling it, work done in both is same but the rate of doing work is less in rolling, work done in rolling a stone is less than in lifting it
Mica is used in electrical appliances such as electric iron because mica is
Options: a good conductor of heat but a bad conductor of electricity, a bad conductor of heat but a good conductor of electricity, a good conductor of heat as well as electricity, a bad conductor of heat as well as electricity