Advertisements
Advertisements
प्रश्न
Paheli connected two bulbs to a cell as shown in the following figure.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
Advertisements
उत्तर
No, the bulb will not glow in this circuit as the filament of bulb B is broken. So the circuit remains incomplete.
APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for
a battery of three cells
Observe the following figure which bulb get fuse?
Two tungsten bulbs of power 50 W and 60 W work on 220 V potential difference. If they are connected in parallel, how much current will flow in the main conductor?
Resistances R1, R2, R3 and R4 are connected as shown in the figure. S1 and S2 are two keys. Discuss the current flowing in the circuit in the following cases.
- Both S1 and S2 are closed.
- Both S1 and S2 are open.
- S1 is closed but S2 is open.
Name the instrument used to control current in an electric circuit.
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?
Name the device used these days in place of electric fuses in electrical circuits.
What are the essential components of an electric circuit?
A complete circuit is left on for several minutes, causing the connecting copper wire to become hot. As the temperature of the wire increases, the electrical resistance of the wire
