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Electric Current And Its Effects

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Thenewyorkclipper - Electric current and its effects slideshare. Electric current and its effects slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising if you continue browsing the site, you agree to the use of cookies on this website. Electric current and its effect. O the heat energy produced in a conducting wire due to the flow of an electric current is known as the heating effect of an electric current o the amount of heat produced depends on the magnitude of the current, the time for which the current is passed, and the nature of the material of the wire. Ncert solutions for class 7th: ch 14 electric current and. 5 name any two effects of electric current answer two effects of electric current: i heating effect ii magnetic effect page no: 171 6 when the current is switched on through a wire, a compass needle kept nearby gets deflected from its north south position. Electric current and its effects science class 7 cbse. This video tutorial lesson describes electric current and its effects please check for more interesting videos @ http:. Chapter 14: electric current and its effect unacademy. So, when electric current passes through a wire, it behaves like a magnet this is the magnetic effect of the electric current in fact, an electric current can be used to make magnets, which are known as electromagnets. Electric current and its effect cbse science class 7. Electric current and its effect chapter wise cbse solved question and answer based on ncert short q&a: q1: differentiate between electric current and electric circuit view answer write short notes on heating effects of electric current view answer. Heating and magnetic effects of electric current: concepts. Magnetic effects of electric current let us set up a simple electric circuit consisting of a wire, a battery, a switch and a bulb when current passes through the circuit, the bulb lights up now try bringing a magnetic compass near the circuit and notice how the needle deflects when the circuit is complete. Electric shock electrical safety hydro québec. The effect of an electric shock depends on which muscles the current goes through a current of more than 10 ma causes sustained contraction tetanus of the flexors, that is, the muscles that close the fingers and draw the limbs towards the body. What is electric current and theory of electricity. Theory of electricity current in metallic conductor the main cause of current through a metallic substance is the flow of electrons that is the directional drift of free metal, even at room temperature, there are plenty of free electrons exist inside the metallic crystal structure. Cbse class 7 science ch 14 electric current and its. Cbse class 7 science ch 14 electric current and its effects mcqs electric current and its effects mcqs why cfl is better than electric bulb? q1: the unit to measure electric resistance is: a joule b ohm c ampere d volt q2: the device used to make or break an electric circuit is: a resistor.

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Electric Current And Its Effects

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