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
What transformation of energy takes place when current is drawn from a cell?
Write symbol and state function of following component in an electric circuit :
ammeter
Write symbol and state function of following component in an electric circuit :
voltmeter
State whether the resistance of filament of a bulb will decrease, remain unchanged or increase when it glows.
State and define the SI unit of electric current.
What do you understand by the term electric resistance?
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?
