Advertisements
Advertisements
प्रश्न
True or False – If False give the correct answer
The fuse wire does not melts whenever there is overload in the wiring.
पर्याय
True
False
Advertisements
उत्तर
False.
The fuse wire melts whenever there is overload in the wiring.
APPEARS IN
संबंधित प्रश्न
Why is the tungsten used almost exclusively for filament of electric lamps?
A resistance of 25 Ω is connected to a 12 V battery. Calculate the heat energy in joules generated per minute.
An electric fuse works on the:
(a) chemical effect of current
(b) magnetic effect of current
(c) lighting effect of current
(d) heating effect of current
Find the odd one out and give its explanation.
Which of the following is correct?
Mark the correct choice
- Assertion: Electric appliances with a metallic body have three wire connections.
- Reason: Three-pin connections reduce the heating of the connecting wires.
A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of:
An electric kettle consumes 1 kW of electric power when operated at 220 V. A fuse wire of what rating must be used for it?
Can we use the same fuse in a geyser and a television set? Explain.
A student boils water in an electric kettle for 20 minutes. Using the same mains supply he wants to reduce the boiling time of water. To do so should he increase or decrease the length of the heating element? Justify your answer.
