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Chapter overview
Current electricity, resistance, circuits, cell behavior, household circuits, and power.
Topics
7
Recall
21
Cards
20
Topic 1
Understand charge flow, current, potential difference, ammeters, voltmeters, and circuit basics.
Topic 2
Ohm's law is valid only when physical conditions such as temperature remain constant.
Topic 3
Connect resistance with conductor length, area, material, and resistivity.
Topic 4
Series resistance is greater than the largest resistor; parallel resistance is less than the smallest resistor.
Topic 5
Distinguish EMF, terminal voltage, internal resistance, lost volts, and cell calculations.
Topic 6
Use power in kilowatt and time in hours when calculating energy in kWh.
Topic 7
Study ring mains, earthing, fuses, switches, household power, and energy calculations.
Topic list
Topic 1
Understand charge flow, current, potential difference, ammeters, voltmeters, and circuit basics.
Topic 2
Relate current, voltage, and resistance and interpret V-I graphs.
Topic 3
Connect resistance with conductor length, area, material, and resistivity.
Topic 4
Calculate equivalent resistance and compare current and voltage distribution.
Topic 5
Distinguish EMF, terminal voltage, internal resistance, lost volts, and cell calculations.
Topic 6
Use power, energy, and commercial unit ideas in electrical appliances.
Topic 7
Study ring mains, earthing, fuses, switches, household power, and energy calculations.
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