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प्रश्न
Write symbol and state function of following component in an electric circuit :
cell
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उत्तर
Cell symbol : 
; It acts as a source of direct current for the circuit.
संबंधित प्रश्न
What is an electric cell?
What is a secondary cell?
Name the instrument used to control the current in an electric circuit.
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
What do you understand by the term series circuit?
The following figure shows a metal rod PQ mounted on an insulated stand. The cap of an uncharged electroscope touches one end Q of the metal rod. A negatively charged ebonite rod is brought near the other end P of the metal rod.
(a) What charge does the end P have?
(b) What charge does the end Q have?
(c) What charge does the cap of the electroscope have?
(d) What charge does the gold leaf have?
(e) Will the leaf diverge or collapse? Give reason.
(f) If the electroscope is now earthed, what charge does the metal rod have?
What is the physical meaning of resistance?
