L5_baisc_circuit_analysis_v2

L5_baisc_circuit_analysis_v2 - ESc102 Introduction to...

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ESc102: Introduction to Electronics Basic Circuit Analysis A R Harish Dept. of Electrical Engineering IIT Kanpur Aug 2, 2010
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Linearity and Superposition 2 IR V = kV kIR = Increasing the current by a constant k R I V 1 1 = Response to two excitations: R I V 2 2 = ( 29 2 1 2 1 2 1 V V R I R I R I I V + = + = + =
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Superposition Principle The superposition principle states that the total response is the sum of the responses to each of the independent sources acting individually. 3
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0 V 0 A 4 L5_basic_circuit_analysis
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Example V s =15 V I s =2 A I T V T
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Example 15 V 2 A I T V T V V V V V T T T T 3 35 2 3 2 10 3 0 2 5 10 15 = + = = - + -
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Example Circuit with only voltage source active. Current source is open circuited. V s =15 V I 1 V 1 V V 5 15 5 15 1 = =
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Example Circuit with only current source active. Voltage source is short circuited. I s =2 A I 2 V 2 2 1 2 1 I I I V V V T T + = + = V V 3 20 15 10 2 5 2 = × × = V V V V T 3 35 3 20 5 2 1 = + = + =
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Example 9 L5_basic_circuit_analysis 20 V 10 V
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Example 10 L5_basic_circuit_analysis I 1 V 1
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Example 11 10 V 2 1 2 1 I I I V V V T T + = + = I 2 V 2
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Example 12 L5_basic_circuit_analysis V x 0.1V x
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13 L5_basic_circuit_analysis V 1 =2.5 V V 1 0.1V 1
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14 L5_basic_circuit_analysis V 2 =10 V V 2 0.1V 2
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