Topics in the Chapter
• Introduction
• Current
• Potential Difference
→ Volt definition
→ Voltmeter
• Symbols of some commonly used components in Circuit
• Ohm's Law
→ Mathematical expression for Ohm's law
→ V-I graph for Ohm's law
→ Resistance
→ Ohm
→ Rheostat
• Factors on which the Resistance of a conductor depends
→ Resistivity
• Resistors in Series
→ Total/resultant/overall/effective resistance in series
→ Voltage across each resistor
• Resistors in parallel
• Advantage of parallel combination over series combination
• Heating effect of electric circuit
→ Joule's law Heating effect of electric current
→ Filament of electric bulb is made up of tungsten
→ Electric Fuse
→ Electric Power
