1) Which electrical component is represented by this symbol? a) Battery b) Cell c) Power Bank d) Generator 2) Which electrical component is represented by this symbol? a) Diode b) Thermistor c) Resistor d) LDR 3) Which symbol represents a light emitting diode (LED)? a) b) c) d) 4) What is the unit for potential difference? a) Volts b) Ohms c) Amps d) Coulombs 5) What is the unit for electrical current? a) Watts b) Ohms c) Amps d) Coulombs 6) What is the unit for electrical resistance? a) Watts b) Ohms c) Amps d) Coulombs 7) What part of a circuit is highlighted by the red circle? a) Split b) Break c) Route d) Junction 8) How many routes does this parallel circuit have? a) 1 b) 2 c) 3 d) 4 9) Which equation represents Ohm's law in equation form? a) b) c) d) 10) Which statement best describes Ohm's law? a) The electrical current in a circuit is inversely proportional to the size of the potential difference (voltage). b) The electrical current flowing through a circuit is equal to the rate of flow of charge. c) The electrical current in a circuit is directly proportional to the size of the potential difference (voltage). d) Electrical resistance is a constant for any given conductor.

Emerging - Electrical Circuits

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