Advertisements
Advertisements
प्रश्न
Draw a diagram showing two bulbs connected in series to a dry cell.
Advertisements
उत्तर
Two bulbs glowing dimly
APPEARS IN
संबंधित प्रश्न
Name one D.C. source and one A.C. source.
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
What is the potential of the spheres after electrical contact?
State two conditions necessary for a circuit, such that electric current flows through it.
What do you understand by the term parallel 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 function of a switch in an electric circuit?
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
