Electricity Flashcards
(32 cards)
What Does a Cell Do
Provides Power to the circuit
What Does a Battery Do
Generates Electricity
What Does a Switch Do
Either Makes the Electricity flow or blocks it from completing the circuit.
What Does a Lamp Do
Provides A Light When Powered
What Does a Resistor Do
Limits and Regulates Current Flow
What Does a Ammeter Do
Measures Current
What Does a Voltmeter Do
Measures Volts
What Does a Variable Resistor Do
Allows The Adjustment of Current or Voltage
What Does a Fuse Do
Provides Overcurrent Protection
What Does a Diode Do
One Way Switch
What Does an L.E.D Do
Emits Light When Current Flows Through It
What Does an L.D.R Do
Detects Light Levels
What Does A Thermistor Do
Measure Temperature
What Is Current
Flow of Charge Per Second In a Circuit
What Is Voltage
Energy Transferred Per Unit of Charge
What Is Resistance
Ratio Of Potential Different
As Resistance Increases Current
Decreases
Voltage Across Variable Resistor Increases Voltage Across Bulb
Decreases
In Series Current is…
The Same Across The Circuit
In Series Voltage is…
Shared
In Parallel Current is…
Shared
In Parallel Voltage is…
The Same Across The Circuit
Direct Current Always Flows In
The Same Direction
What Does the Earth Wire do
Protects the user from electric shock
