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प्रश्न
Can we use the same fuse in a geyser and a television set? Explain.
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उत्तर
No, a geyser and a television set require different amounts of current to operate
Name two electric devices for each where
- the heating effect of current is used
- the magnetic effect of current is used
Maim Heating effect – Geyser, room heater.
Magnetic effect – Electric bell, Cranes to lift magnetic material.
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संबंधित प्रश्न
Name any two effects of electric current.
An electric heater is connected to the 230 V mains supply. A current of 8 A flows through the heater.
(b) How much energy is transferred to the heater each second?
Why are the coils of electric irons and electric toasters made of an alloy rather than a pure metal?
The current passing through an electric kettle has been doubled. The heat produced will become:
(a) half
(b) double
(c) four time
(d) one-fourth
Name any six domestic appliances based on the heating effect of electric current.
An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?
How does use of a fuse wire protect electrical appliances?
An electrochemical cell converts ______ energy into ______ energy.
In the electric equipment producing heat like iron, electric heater, boiler, toaster etc., an alloy such as nichrome is used, not pure metals.
The graph of voltage vs current for four different materials is shown below.
Which of these four materials would be used for making filament of bulb?
