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Disadvantages of the heating effect of electric currents are: short circuits, house fires, and explosions. Advantages of the heating effect of electric currents are: electric light, toasting food, and keeping a room warm.
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Who found heating effect of electric current?
The heating effect of electric current was discovered by James Prescott Joule in the mid-19th century. Joule's experiments showed that the temperature of a conductor increases when an electric current passes through it.
What happens to the heating effect when the direction of current is reversed?
When the direction of current is reversed, the heating effect remains the same. The amount of heat generated is determined by the magnitude of the current and the resistance in the circuit, independent of the direction of the current flow.
Disadvantages of heating effect of current?
1) The heating itself may be problematic in some cases. Electronic components (for example) may overheat, and it may require special equipment to carry the heat away fast enough. 2) The heat produced represents wasted energy.
State the situations where heating effect of electric current is undesirable?
Heating effect of electric current is undesirable in electronic devices where overheating can lead to damage or malfunction. It is also undesirable in electrical transmission lines where energy loss due to heating reduces efficiency. Additionally, in some industrial processes where precise temperature control is required, excess heating can be a problem.
Which effect of electric current is utilised in the working of an electrical fuse?
The heating effect is used. Normally the current flows through the fuse without undue heating. But if too much current passes through, the fuse will heat and melt, thus stopping the current which could cause a fire if it was not stopped .
How would you show the heating effect of a current?
how would you show the heating effect of a current?
Who found heating effect of electric current?
The heating effect of electric current was discovered by James Prescott Joule in the mid-19th century. Joule's experiments showed that the temperature of a conductor increases when an electric current passes through it.
Heating Effect of Electric Current advantage?
Reliable, simple and safe. Heat can be regulated by changing the resistance in the circuit.
What happens to the heating effect when the direction of current is reversed?
When the direction of current is reversed, the heating effect remains the same. The amount of heat generated is determined by the magnitude of the current and the resistance in the circuit, independent of the direction of the current flow.
Disadvantages of heating effect of current?
1) The heating itself may be problematic in some cases. Electronic components (for example) may overheat, and it may require special equipment to carry the heat away fast enough. 2) The heat produced represents wasted energy.
What effect of current is utilised in bulb?
The effect of current utilised in a bulb is the conversion of electrical energy into light energy through the heating of the filament inside the bulb. This process is known as resistive heating, where the current passing through the filament encounters resistance, causing it to heat up and produce light.
State the situations where heating effect of electric current is undesirable?
Heating effect of electric current is undesirable in electronic devices where overheating can lead to damage or malfunction. It is also undesirable in electrical transmission lines where energy loss due to heating reduces efficiency. Additionally, in some industrial processes where precise temperature control is required, excess heating can be a problem.
What effects of electric current is involved in the fuse breaking?
Heating Effect.
Advantage and disadvantage of keynesian theory?
Disadvantages: -crowding-out effect -time-lag -deficit spending
Which effect of current is utilised in the working of an electric fuse?
The heating effect is used. Normally the current flows through the fuse without undue heating. But if too much current passes through, the fuse will heat and melt, thus stopping the current which could cause a fire if it was not stopped .
Are resistor heating affected by line frequency?
No. The heating effect is the product of the square of the current and resistance, where the current is a root-mean-square value.A.C. current is always expressed as a root-mean-square (r.m.s.) value, which is equivalent to a d.c. current which produces exactly the same heating effect. Root-mean-square values are affected by the shape of a waveform, but not by its frequency.
Which effect of electric current is utilised in the working of an electrical fuse?
The heating effect is used. Normally the current flows through the fuse without undue heating. But if too much current passes through, the fuse will heat and melt, thus stopping the current which could cause a fire if it was not stopped .
