A set of lights consists of 20 lamps connected in series to the 230 V mains electricity supply.
Household Electricity – Question 2 was last modified: November 18th, 2015 by
A set of lights consists of 20 lamps connected in series to the 230 V mains electricity supply.
(a) The picture shows a person using a set of electronic ‘Body Fat Scales’. When the person stands on the scales, a small, harmless, electric current passes through the person’s body. The scales then calculate the resistance of the person’s body and convert the resistance into a prediction of body fat content.