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Exercise 1
GCE O-Level 2018.
GCE O-Level 2019.
GCE O-Level 2020.
GCE O-Level 2021.
GCE O-level 2023
GCE O-level 2024
Select Lessons (41)
Dynamics: Newton’s Laws of Motion
ELECTRICITY : ELECTROMAGNETISM - Alternating Current
ELECTRICITY : ELECTROMAGNETISM - Current in a Magnetic Field
ELECTRICITY : ELECTROMAGNETISM - Electromagnetic Induction
ELECTRICITY : ELECTROMAGNETISM - Magnets
ELECTRICITY : Electric Current I
ELECTRICITY : Electrostatics
ELECTRICITY : MODERN PHYSICS - The Electron (Electronics)
ELECTRICITY : WAVES - Light
ELECTRICITY : WAVES - Vibrations and Sound
ELECTRICITY: Current
Energy: Application And Uses
Forces
HEAT : TEMPERATURE - Concept of Heat and Temperature
HEAT : TEMPERATURE - Heat Capacity
HEAT : TEMPERATURE - Heat Transfer
HEAT : TEMPERATURE - Thermometers
HEAT : TEMPERATURE - Thermometric Properties
Health Education
Linear Momentum
MECHANICS : ENERGY - Forms of Energy
MECHANICS : ENERGY - Machines
MECHANICS : ENERGY - Power
MECHANICS : ENERGY - Work
MECHANICS : FORCES - Moments
MECHANICS : FORCES - Newton’s laws of Motion
MECHANICS : FORCES - Physical quantities
MECHANICS : FORCES - Types and characteristics of forces
MECHANICS : FORCES - Vectors and Scalars
MECHANICS : MOTION - Conservation of Linear Momentum
MECHANICS : MOTION - Linear Motion
MECHANICS : PROPERTIES OF MATTER - Density
MECHANICS : PROPERTIES OF MATTER - Hooke’s Law
MECHANICS : PROPERTIES OF MATTER - Pressure
MOTION
Matter: Its Properties & Transformation
PRESSURE
Radioactivity
WAVES: Electromagnetic
5/45 MCQs for:
ELECTRICITY : Electric Current I
The energy consumed by an electrical appliance is measured in:
Calories.
Watts.
Joules.
Kilowatt-hours (kWh).
The instrument used to measure electric current in a circuit is called a/an:
Ammeter.
Voltmeter.
Galvanometer.
Ohmmeter.
Two light bulbs are connected in parallel to a power source. Bulb A has a resistance of 100Ω and Bulb B has a resistance of 50Ω. Which bulb will be brighter?
The brightness cannot be determined without the voltage.
Bulb B will be brighter.
Bulb A will be brighter.
Both bulbs will have the same brightness.
An industrial machine operates at 400V and has a resistance of 200Ω. What is the power consumed by the machine?
800 kW.
2.0 kW.
800 W.
0.8 kW.
How is an ammeter always connected in a circuit to measure current?
In parallel and series.
None is correct.
In parallel.
In series.
