7th Class
Science
Electric Current and Its Effects
Question Bank
Electric Current and Its Effects
question_answer
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 We use various appliances based on heating effect of current in our daily life. Some such appliances are electric room heater, electric heater, hot plates, electric iron, hair dryers etc. All these contain a coil of wire called element. Which part of an electric iron becomes hot and gives out heat?
A)the switch
B)the handle
C)the element
D)the connecting wire
Correct Answer:
C
Solution :
The element is a coil of wire that becomes hot and gives out heat.