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प्रश्न
Fuse is
विकल्प
a switch
a wire with low resistance
a wire with high resistance
a protective device for breaking an electric circuit
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उत्तर
A protective device for breaking an electric circuit.
APPEARS IN
संबंधित प्रश्न
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.
Match the column ‘A’ with column ‘B’.
|
Column ‘A’
|
Column ‘B’ |
|
(1) Eka - boron
|
(a) Germanium
|
|
(2) Eka - Aluminium
|
(b) Scandium
|
|
(3) Eka - Silicon
|
(c) Gallium |
In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
A device that is used to break an electric circuit is called ______.
A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.
Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.
Write a short note on the different electrical circuits.
Overloading of electric circuits can lead to short-circuiting.
