An electric iron of rating is used for pressing clothes in a household
PHYSICS · Multi-part · CBSE · Physics · Current Electricity · Current Electricity
Problem
An electric iron of rating 800W is used for pressing clothes in a household. The iron is operated for 2h every day. The cost of electrical energy is Rs 6.50 per kWh. Answer the following for a 30-day month.
(i) Calculate the electrical energy consumed by the iron in one day, expressed in kWh.
(ii) Find the electrical energy consumed in the entire month and express it (a) in kWh, (b) in joule.
(iii) Determine the total cost of operating the iron for the month.