Ppt electric current and circuits powerpoint presentation free to download id. The bohr model of an atom a nucleus surrounded by shells of electrons traveling in discrete orbits is presented. Voiceover all right, now were gonna talk about the idea of an electric current. Electric current definition, formula, unit and circuit diagram.
If the light or tool other product remains on when the test button is pushed, the gfci is not working properly or has been incorrectly installed miswired. Ampere is defined as one coulomb of charge moving past a point in one second. Weve learned that we have two kinds of charges, positive and negative charge. The unit is ampere, which equal to a flow of 1 coulomb per second. Electric current a flow of charge from one place to another. Measured in units of amperes a different from static electricity because. Circuits make computers, digital cameras, and video games possible. Electric current powerpoint presentation free to download id. Magnetic effects of electric current class x powerpoint slides. The device which causes the flow of electrons through a conductor is called a cell.
Fundamentals of alternating current 3 figure 121 sinusoidal wave values. Electric current video getting started khan academy. Calculate the charge passing a point in the wire 1 1 in ios 2 in 10 minute calculate the average current in a wire through which a charge of 15c passes in 1 in ios 2 in 10 minute calculate the number of electrons passing a point in the wire in 10min 2 when the current is 1 1. Cbse class 10 science chapter magnetic effects of. Current electricity ppt free download as powerpoint presentation. Summary questions the current in a certain wire is 0. The continuous flow of electric charge is an electric current. On this site you will find the best free powerpoint templates to download, including ppt with an electric inspiration. Draw a electric circuit diagram that represents how electric current moves. Electric current it is the rate of flow of electric charge or electrons through a conductor i. Electric current, circuit and voltage powerpoint by karen.
Ppt electric current powerpoint presentation free to download. To register science tuitions on to clear your doubts. The greater the resistance, the less current gets through. The opposition to the flow of an electric current, producing heat.
In these circuits, energy is conveyed from one place to another. Electric current electric current the flow of electrons through a wire or any conductor. Electric current powerpoint electrical resistance and. An electric current, i, is the rate at which net charge. Pradeep kshetrapal current electricity 5 v a electric current. Water is a great conductor of electricity, allowing current to flow more easily in wet conditions and through wet skin. During overloads or short circuits the fuse gets heated up to melting point due to excessive current and breaks the circuit.
Ppt electric current web chippewa falls high school. The severity and effects of an electrical shock depend on a number of factors, such as the pathway through the body, the amount of current, the length of time of the exposure, and whether the skin is wet or dry. The amount of electric charge is measured in coulombs. In this topic youll learn about the physics behind the electronic devices we use. An electric current is a flow of particles electrons flowing through wires and components. Electric current electric current the rate of flow of electric charges unit of measure is coulombs per second, or amperes i rate of flow current amps q. The current density, which we have defined as the current thr ough unit ar ea nor mal to the curr ent is also dir ected along e, and is also a vector j j ee. Get more information about hybrid electric vehicle ppt slides free download by visiting this link. Symbols used to draw a circuit diagram on paper are explained in the first section of the chapter, symbols of electric components. Ppt on magnetic effect fof electric current authorstream. Free general electric powerpoint template with sky blue and white colors. This 11 slide powerpoint includes definitions, examples, videos and demonstrations.
This is a powerpoint that i used to teach my sixth graders about electric circuits, current and voltage. An electric current can only flow when there is a closed path in which electrons can move. It consists of two basic parts, an outside stationary stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft that is given a torque by the rotating field. Electric circuits, current, and resistance chapter 22 and 23. Current electricity notes class 12th pdf download physics.
Electric current high current and low current electric circuit voltage. Ppt current electricity and electric circuits powerpoint. Abstract, adapter, background, cable, communication, concept, connect, connection, connector, cord, current. If you need to create an exhibition on electricity or electronics and want to give an electric touch to your slides, here you will find everything you need.
Current is a flow of electrons ac current alternates back and forth usually at 60 hz or 60 cycles per second dc current moves in one direction. If the electric charge flows through a conductor, we say that there is an electric current in the conductor. Electric current powerpoint free download as powerpoint presentation. Best powerpoint templates download your favorites today. Electric current flows from the positive terminal to the negative terminal. Use this free clean general electric powerpoint template for your presentation, case study or assignment about the diversified technology and financial services company. And we know if theyre the opposite sign, that therell be a force of. Free powerpoint presentations about electricity for kids.
Measured in units of amperes a different from static electricity because it lasts longer charges flow from high voltage to low voltage voltage difference push that causes charges to move measured in volts v for charges to flow, the wire must always be. This ppt gives the concepts dealt in the chapter magnetic effects of electric current. The time rate of flow of charge through any crosssection is called current. Force an a current carrying conductor in a magnetic field electric current flowing a conductor produces a magnetic field. Electricity powerpoint templates w electricitythemed. Pradeep kshetrapal current electricity genius physics. In the circuits using metallic wires, electrons constitute a flow of charges. For this example, we have a 9 volt battery and a red led with a current rating of 20 milliamps, or 0. The rate of flow of chrge through the conductor is called electric current. The charge may move in free space, through a conductor or on a conveyor belt.
Insulators materials through which electric current cannot move. The flow of electric charge from one place to another e moving through a metal wire much like water flowing through a hose i qt electric. Abstract background with wire plug and socket powerpoint templates standard. Electric current and its effects ncert solutions class 7. Basic electricity fall 2011 this course module introduces the basic physical models by which we explain the flow of electricity.
Most of the locomotives we see pulling trains are dieselelectric hybrids. Circuits are driving an unprecedented rate of change in how we live. If you want other electrical related templates we encourage you to download free electric guitar powerpoint template that is a free background for presentations on music. Ppt electric current powerpoint presentation free to. Download free electricity powerpoint templates and slide designs with creative diagrams for electricians and professionals. Current electricity notes class 12th pdf download physics tutoria electric current is defined as the amount of charge flowing through any cross section of the conductor in unit time.
The story about currents starts with the idea of charge. Current electricity class 12 physics india science. Electric current powerpoint presentation, free download slideserve. Electrical current is described as a flow of electrons. Power point covering current voltage and resistance. Current a sustained flow of electric charge past a point is called an electric current.
Starting your work with a template as a base can help you save time and a lot of effort. Q flows through a surface area a currents units cs and often written as a ampere although current carriers i. Specifically, electric current is the rate that electric charge passes a point, so current or i qt measuring current if 1 coulomb of charge 6. Electrical fuse on what principle does the fuse operate. Chapter 25 current, resistance and electromotive force. Ppt current electricity and electric circuits powerpoint presentation free to download id. Be sure to label the wire, conductor, voltage source, and describe any potential difference. The rate of flow of charges through a conductor or the quantity of charges flowing through a conductor in unit time.
I qt net where i stands for current it is a scalar quantity its s. A gfci detects ground faults and interrupts the flow of electric current, and is designed to protect the worker by limiting the duration of an electrical shock. You can find common popular electricity diagrams and slide designs with good backgrounds including daisy chain diagrams, cable connectors and electricity shapes for powerpoint. E 0 within a conductor current i 0, but not all charges are at rest, free electrons can move v 10 6. Fundamental electrical concepts charge, current, voltage, power and energy chapter 2, sec. Electricity hs electricity by definition is electric current that is used as a power source. The ratio of fusing current and the current rating of fuse element is known as. Abstract background with wire plug and socket powerpoint templates widescreen. The charge carriers could be electrons in a vacuum, electrons in a metal, holes in a semiconductor or ions in a solution. Electric current definition, unit, formula, properties. Ncert grade 7 science chapter 14, electric current and its effects deals with the basic of electric circuit, heating and magnetic effect of electric current and its applications. Abstract background with wire plug and socket powerpoint. So if through a crosssection, q charge passes in time t then t q i av and instantaneous current dt dq t q ilim t.
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