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Lab Manuals for Electrical And Electronics Engineering - EEE By JNTU Heroes

  • Electrical And Electronics Engineering - EEE
  • Practical
  • Jawaharlal Nehru Technological University Anantapur (JNTU) College of Engineering (CEP), Pulivendula, Pulivendula, Andhra Pradesh, India - JNTUACEP
  • 9 Experiments
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Text from page-3

ELECTRICAL AND ELECTRONICS ENGINEERING LABORATORY VERIFICATION OF KVL AND KCL AIM: To verify Kirchhoff’s Voltage and Current Law in a passive Resistive network APPARATUS: S.No Components Range Type Quantity 1. RPS (0-30) V Digital 01 2. Ammeter (0-200) mA Digital 03 3. Voltmeter (0-30) V Digital 03 4. Resistors - 01 5. Connecting Wires - 6. Bread Board - 1 k , 2.2 k , 1.5 k Single strand As required WB102 01 CIRCUIT DIAGRAMS: To Verify KVL 2.2 k 1 k 1.5 k A V +  V1 (0-30) V dc V2 +  V + rps 3  V + V3 

Text from page-4

ELECTRICAL AND ELECTRONICS ENGINEERING LABORATORY To Verify KCL (0-200) mA (0-200) mA 1 k (0-30) V 2.2 k A A I I2  1.5 k rps dc  I1 A (0-200) mA PROCEDURE: 1. To verify KVL:  Connect the circuit diagram as shown in figure[1]  Switch ON the supply to RPS.  Apply the voltage (say 5v) and note the voltmeter readings  gradually increase the supply voltage in steps  note the readings of voltmeters  sum up the voltmeter readings(voltage drops) , that should be equal to applied voltage(e.m.f)  Thus KVL is Verified practically 2. To verify KCL:  Connect the circuit diagram as shown in figure[2]  Switch ON the supply to RPS.  Apply the voltage (say 5v) and note the Ammeter readings  gradually increase the supply voltage in steps  note the readings of Ammeters  sum up the Ammeter readings(I1 and I2) , that should be equal to total current(I)  Thus KCL is Verified practically 4

Text from page-5

ELECTRICAL AND ELECTRONICS ENGINEERING LABORATORY TABULAR COLUMN: 1 Volt Meter Readings Applied Voltage S. No. V1 V2 V3 V1 + V2 + V3 (Volts) (Volts) (Volts) (Volts) (Volts) 1. 2. 3. 4. 5. TABULAR COLUMN: 2 Ammeter Readings S. No. Applied Voltage (V) I I1 I2 I1+I2 (Amps) (Amps) (Amps) (Amps) 1. 2. 3. 4. 5. 5

Text from page-6

ELECTRICAL AND ELECTRONICS ENGINEERING LABORATORY PRECAUTIONS: 1. Check for proper connections before switching the supply ON 2. make sure of proper color coding of resistors 3. Avoid parallax errors in measuring instruments. RESULT: At 15V supply Theoretical value V1 + V2 + V3 I1+I2 6 Practical value

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