Advertisements
Advertisements
प्रश्न
What do the following symbols mean in circuit diagrams?
उत्तर
A closed switch. When the switch is closed, the circuit is completed and current flows through it.
APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for
fixed resistance
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.
What do you understand by the open electric circuit?
Explain the following:
Open circuit
Find the odd one out and give its explanation.
What is electric circuit?
Name the device used these days in place of electric fuses in electrical circuits.
Our body is a ________________ of electricity.
In which of the following circuits A, B, and C gave in Fig. 12.4, the cell will be used up very rapidly?
Paheli connected two bulbs to a cell as shown in Fig. 12.8.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.