Which effect of electric current is utilized for detecting the flow of current through a solution:
(a) when a torch bulb is used?
(b) when a compass is used?
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(a) Heating effect of current is used detecting the flow of current through a solution.
(b) Magnetic effect of current is used detecting the flow of current through a solution.
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(a) Heating effect of electric current is utilized when a torch bulb is used.
(b) Magnetic effect of electric current is utilized when a compass is used.
Heating Effect of electric current:
- When electric current is passed through bulb, then some of the electrical energy is dissipated as heat energy.
- This heat is radiated in bulb.
- The heat depends on the resistance of wire, current passing through wire and time current is passed through wire.
Magnetic effects of electric current:
- When electric current is passed through wire magnetism is found around that wire.
- The direction of the magnetic field is determined right hand thumb rule and depends on the direction of electricity.
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