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WorksheetsTopic: Electricity
Total questions: 20
Worksheet time: 10mins
Electric current is the continuous flow of (a) through a material.
What causes electric charges to flow in a circuit?
Resistance
Heat
Voltage difference
Magnetism
A circuit must be complete and unbroken for electric charges to flow.
True
False
What type of battery uses a conducting paste between two electrodes?
Wet-cell battery
Dry-cell battery
Lead-acid battery
Lithium ion battery
A (a) circuit is one where the current follows only one path.
Which type of battery is commonly found in phones, laptops, and electric vehicles?
Lead-acid
Lithium ion
Dry-cell
Alkaline
Resistance is measured in volts.
True
False
According to Ohm’s Law, voltage = current × (a) .
What type of battery is made of lead and sulfuric acid and typically used in cars?
Dry-cell
Lithium ion
Lead-acid
Nickel-metal hydride
Alternating current constantly changes (a) .
Direct current flows in both directions.
True
False
Which type of circuit allows current to split into multiple paths?
Open circuit
Series circuit
Parallel circuit
Magnetic circuit
Which of these increases resistance in a wire?
Thicker wire
Shorter length
Higher temperature
Copper material
The unit for measuring resistance is the (a) .
Ohm’s Law helps calculate the current in a circuit if you know the voltage and resistance.
True
False
What part of a battery allows electricity to flow between electrodes?
Conductor
Insulator
Electrolyte
Diode
A (a) is a complete, unbroken path through which electric charges flow.
Which of the following is an example of alternating current (AC)?
Battery in a flashlight
Outlet in a home wall
Lead-acid car battery
Portable fan using batteries
Wet-cell batteries are typically found in smartphones.
True
False
If a series circuit has 3 bulbs and one burns out, what happens?
Only that bulb goes out
The other bulbs stay on
The whole circuit stops working
Voltage increases
