\t\t\tElectrical energy are needed in industries ,officers and home for carrying out numerous essential operation for instance blender at home , television, iron and fridge all make use of electrical energy to operate .
\nElectric current is the flow or electron from one point to another in a circuit in a metallic conductor called wires .
\nAn electronic circuit is the path for the passage of electron current from a cell or battery to lamp and back to the cell <\/p>\n
\u00a0Total Ressistance R =1\/RI<\/sub>+1\/R2<\/sub><\/p>\n \u00a0<\/p>\n The component of a circuit include the following 1. Current<\/strong> is the flow of electron along a conductor . The symbol is the ratio of the potential different (v) across the end of the conductor to the current I following through the conductor \u00a0IV. Potential difference<\/strong> (pod) is the difference in the electrical potentials between the terminals of a cell or battery in a closed circuit \u00a0<\/p>\n An electric meter is a device that measures the amount of electric energy consumed by a residence, industries or electric gadgets.<\/p>\n \u00a0ASSIGNMENT WEEK 9 Electrical Energy. Electrical energy are needed in industries ,officers and home for carrying…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,143],"tags":[],"class_list":["post-1539","post","type-post","status-publish","format-standard","hentry","category-posts","category-second-term-jss3-basic-science"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/1539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/comments?post=1539"}],"version-history":[{"count":1,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/1539\/revisions"}],"predecessor-version":[{"id":1540,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/1539\/revisions\/1540"}],"wp:attachment":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/media?parent=1539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/categories?post=1539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/tags?post=1539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\t\t\t<\/strong>An electric circuit is the path through which an electric current flow from a cell or battery to an appliance and back is the cell there are two major ways of connecting electrical circuit
\n\t\t\t<\/strong>(1) In series connecting circuit element are joined end so that saw current flow through each circuit element . Resistors in series total resistance R=R 1<\/sub>+ R2<\/sub>
\n\t\t(2) Connecting in parallel \u2013 the element of the circuit are connected in such a way that the high potential terminal of two circuit are joined to one point and the two element are joined to another point in the circuit
\nThe arrangement ensures there is a uniform potential difference across the two elements where the current flow in them differ <\/p>\nCOMPONENT OF A CIRCUIT
\n<\/h3>\n
\n (1) Resistor <\/strong>\u2013 This is in form of wire or other materials used to reduce or resist a flow of current . It has a unit called ohmns
\n(2) Lamp or bulb is used in a circuit to indicate the flow of electricity
\n(3) Switch<\/strong> is used in the circuit to put on or put off electric current
\n(4) Ammeter<\/strong> \u2013 is an instrument used to measures the amount of current following the unit is ampere (A)
\n(5) Voltmeter<\/strong> \u2013 is an instrument used to detect the flow of an electric current
\n(6) Galvanometer<\/strong>– is an instrument used to detect the flow of an electric current
\n(7) Fuse<\/strong>– is a piece of wire made of tin-lead alloy having a low melting point it is used to cut off electric current off when there is danger in the circuit
\n(8)Circuit breaker<\/strong>-This is a modern device that is introduced into the house circuit to increase safety in the use of electricity in the house.
\nOpen circuit<\/strong>– This is a situation when an electric circuit does not conduct current because a switch is open i.e. a wire is broken.<\/p>\nBASIC TERMS USED IN ELECTRICITY
\n<\/h3>\n
\nR= V
\n\t\t I
\nV= RXI
\nI = V \/ R <\/p>\n
\nIv Electromotive force ( e. m. f )<\/strong> is the electrical driving force between the terminals of a cell or battery in an open circuit
\nHOUSE CIRCUIT<\/strong>-Houses are wired in parallel because of some advantages of parallel circuit. One of the reasons is that if one bulb in the house is turn out, others will stay on . However, in a series circuit ,all bulbs go off as soon as one of them burns out.<\/p>\nELECTRIC METER READING AND BILLING
\n<\/h3>\n\n\n
\n Meter reading\n<\/td>\n \u00a0<\/td>\n Unit consumed<\/td>\n Cost per unit<\/td>\n Total amount<\/td>\n<\/tr>\n \n \n\u00a0Previous reading<\/td>\n 47896<\/td>\n \u00a0<\/td>\n \u00a0<\/td>\n \u00a0<\/td>\n<\/tr>\n \n \n\u00a0Present reading<\/td>\n 48167<\/td>\n 271<\/td>\n 1291 naira<\/td>\n \u00a0<\/td>\n<\/tr>\n \n \n\t\t\t\t\t\t\t\u00a0<\/td>\n \u00a0<\/td>\n \u00a0<\/td>\n \u00a0<\/td>\n 3498.61 naira<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n<\/strong>1. The flow of current is usually in the opposite direction to the flow of A.neutrons B.protons C.electrons D.atoms
\n2. Electric circuit are connected in _____ ways A. four B. two C. three D. five
\n3.A voltmeter is an instrument for measuring A.current B.resistance C.capacitance D.potential difference.
\n4.What is the name of electrical element in the house circuit that is used for connecting electrical appliances? A.sockets B.fuse box C.control switch circuit breaker
\n4.What is the name of electrical element in the house circuit that is used for putting off electricity supply anytime there is a repair or installation? A. sockets B.fuse box C.control swtich D. circuit breaker.
\n5.The amount of current flowing through an electric circuit is measured by A. ammeter B.ohmmeter C. voltimeter D. fuse
\n6. The unit of measuring current is A. ohm B. voltage C.coulombs D. ampere
\n7a. Mention four components of electric circuit
\nb.Explain the term electric circuit
\nc.Mention two ways of connecting electric circuit
\nd. what is the full meaning of E. M . F<\/p>\n","protected":false},"excerpt":{"rendered":"