🎓 Academic REE DC CIRCUITS TOPICS

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LMTRC simplified topic about DC Circuits including questionnaires

 

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DC CIRCUITS – MAIN TOPICS

1. Basic Concepts

Electric charge, current, voltage, resistance

DC vs AC

Electric power and energy

Ohm’s Law:


2. Circuit Elements

Independent and dependent sources (voltage & current)

Resistors

Switches

Internal resistance of sources


3. Series and Parallel Resistors

Equivalent resistance in series:

Equivalent resistance in parallel:

Voltage division

Current division


4. Kirchhoff’s Laws

Kirchhoff’s Current Law (KCL)

Kirchhoff’s Voltage Law (KVL)


5. Circuit Analysis Techniques

Nodal analysis (Node voltage method)

Mesh analysis (Loop current method)

Superposition theorem

Source transformation

Thevenin’s theorem

Norton’s theorem

Maximum power transfer theorem


6. Capacitors in DC Circuits

Capacitance and units (Farads)

Charging and discharging of capacitors

Time constant

Transient vs steady-state behavior


7. DC Power and Energy

Power in resistive elements:

Energy consumption over time


8. Batteries and Internal Resistance

Terminal voltage

Series and parallel battery configurations

Power delivered by and to the source


9. Multiloop Circuits

Simultaneous equations from KVL and KCL

Solving complex networks


10. Measuring Instruments in DC Circuits

Voltmeter (ideal: infinite resistance)

Ammeter (ideal: zero resistance)

Wattmeter

Multimeter usage