Circuit Of An Electric Bell For Class 7. The arm which strikes the gong is connected to spring at one end and an iron. C gives an electric shock.
An electric circuit is a path in which electrons or current flow. This short animated science video in english is meant for upper primary class children age 11 13 years. Mcq questions for class 7 science.
An electric source for example a battery can be used to power the electromagnet used in an electric bell.
We have provided electric current and its effects class 7 science mcqs questions with answers to help students understand the concept very well. Mcq questions for class 7 science. An electric bell has an electromagnet that pulls a strip of iron which makes the hammer hit the gong to ring the bell. A battery which connects the wire coil and the contact screw.
