Question

electricity and circuits class 7 notes​

Answer 1

Answer:

Electric Current and Its Effects Class 7 Notes Science Chapter 14

Electric Circuits. ...

(ii) When the bulb does not glow While checking the circuit notice that sometimes the bulb does not glow even when the switch is in the ON position. ...

Some of the commonly used symbols for electric components are shown here:

Combination of Electric Cells. ...

Compact Fluorescent Lamps (CFLs)

Answer 2

An electric circuit is a path in which electrons (or current) flow. If the circuit is incomplete or broken, the current doesn't flow. ... If the circuit is complete, the current flows.

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