Basic Electrical and Electronics Engineering (EEE1001)
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Basic Electrical and Electronics Engineering - DC Network Theory
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Course
Basic Electrical and Electronics Engineering (EEE1001)
Institution
Vellore Institute Of Technology
Book
A Textbook of Electrical Technology - Volume I (Basic Electrical Engineering)
Being overwhelmed by glancing over complex electrical circuits and finding various currents or voltages? No Worries! This document has got you covered. It contains brief discussion of various theorems in a simple language along with suitable examples. This document has helped me myself to score fu...
Class notes Mechanical engineering A Textbook of Electrical Technology - Volume I (Basic Electrical Engineering), ISBN: 9788121924405
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Basic Electrical and Electronics Engineering (EEE1001)
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D.C NETWORK THEORY – MODULE 1
CURRENT DIVIDER RULE
• Only in case of Parallel connected circuit
VOLTAGE DIVIDER RULE
• Only in case of Series connected circuit
KIRCHHOFF’S LAWS
# Kirchhoff's Current Law (KCL)
, • The total current leaving a junction is equal to the total current entering
that junction.
I= I1 + I2 + I3 + I4
# Kirchhoff’s Voltage Law (KVL)
• The algebraic sum of the products of currents and resistances in each of the
conductors in any closed path (or mesh) in a network plus the algebraic
sum of the e.m.fs. in that path is zero.
1) Battery emf Sign Conventions in KVL
→ A rise in voltage should be given a + ve sign and a fall in voltage a −ve sign.
→ As we go from the −ve terminal of a battery to its +ve terminal, there is a
rise in potential, hence this voltage should be given a + ve sign.
→ If, on the other hand, we go from +ve terminal to −ve terminal, then there
is a fall in potential.
→ It is important to note that the sign of the battery e.m.f. is independent of
the direction of the current through that branch.
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