# VERIFICATION OF KIRCHHOFF’S LAWS

May 6th, 2015
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I) Kirchhoff’s current law (KCL): It states that the total algebraic sum of current meeting at the junction is zero. This law is based on the principle of conservation of charges.

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answer assignmentEXPERIMENT NO: 1OBJECTIVE: VERIFICATION OF KIRCHHOFFS LAWSi) Kirchhoffs current law(KCL)ii) Kirchhoffs voltage law(KVL)APPARTAUS REQUIRED: Sl no.Apparatus Type Range /specification Qty. 1Experimental boardKit orBread Board12Power supplyDC9V & 5V13VOLTMETER Moving-Iron0-15V14AMMETERMoving-Iron0-100mA15CONNECTING WIRESAs requiredTHEORY: I) Kirchhoffs current law (KCL): It states that the total algebraic sum of current meeting at the junction is zero. This law is based on the principle of conservation of charges.KCL at junction O I1+ I2+ I3+ I4 - I5 - I6 =0Therefore, I1+ I2+ I3+ I4 = I5+I6CIRCUIT DIAGRAM:PROCEDURE:i) Connect the circuit. As shown in circuit diagram.ii) Switch on the power supply.iii) Note the reading of ammeter OBSERVATION TABLE:Sl no.I1 (A)practicallyI2 (A)practicallyI3 (A)practicallyI3 (A)calculatedI3 = I2+I1CALCULATION OF CURRENT I3I3 = I2+I1RESULT:Add the reading of ammeter 1(A1) & ammeter 2(A2) and it will be equal to reading of ammeter 3(A3) I3 = I2+I1 KCL is verified.PRECAUTION:i) All connection should be tight.ii) Before connecting

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