0.000 s
Revise smart, understand Better
Select Categories (8)
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
What is the SI unit of electric current?
Ampere.
Ohm.
Volt.
Watt.
A domestic electric iron is rated at 1200W and operates on a 240V supply. What is the current drawn by the iron?
20 A.
288,000 A.
0.5 A.
5.0 A.
What is electric power?
The rate at which resistance is offered.
The rate at which current flows.
The rate at which electrical energy is consumed or dissipated.
The rate at which voltage is supplied.
An electric geyser is connected to a 240V supply and draws a current of 10A. How much energy does it consume in 20 minutes?
0.8 J.
2.88 × 10⁶ J.
48k Wh.
4800 J.
Two resistors, 3 Ω and 6 Ω, are connected in series. What is the total resistance?
9 Ω.
3 Ω.
2 Ω.
18 Ω.
