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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
An electric room heater draws a current of 2.4 A from the 120 V supply line. What current will this room heater draw when connected to 240 V supply line?
Derive the expression for the heat produced due to a current 'I' flowing for a time interval 't' through a resistor 'R' having a potential difference 'V' across its ends. With which name is this relation known?
Name the material which is used for making the filaments of an electric bulb.
If the current flowing through a fixed resistor is halved, the heat produced in it will become:
What is overloading?
Which of the following is correct?
Match the following
| 1. | Bulb | a. | Conductor |
| 2. | Electroplating | b. |
Insulator |
| 3. | Pure water | c. | Heating effect of current |
| 4. | Salt solution | d. | Chemical effect of current |
In the electric equipment producing heat like iron, electric heater, boiler, toaster etc., an alloy such as nichrome is used, not pure metals.
State the law that explains the heating effect of current with respect to the measurable properties in an electrical circuit.
When a current I flows through a wire of resistance R for time t then the electrical energy produced is given by ______.
