Worksheets6. Electricity magnetism
Total questions: 15
Worksheet time: 18mins
Which one is renewable energy source?
Nuclear
Geothermal
Coal
Natural gas
What is the energy changes that occur in the power station?
Wind energy ---> Electrical energy
Kinetic energy --> Electrical energy
Chemical energy --> Electrical energy
Gravitational potential energy --> Electrical energy
Which sequence of energy changes in the nuclear power station is correct?
Nuclear energy --> Kinetic energy --> Electrical energy
Chemical energy --> Heat energy --> Kinetic energy --> Electrical energy
Heat energy --> Kinetic energy --> Nuclear energy --> Electrical energy
Nuclear energy --> Heat energy --> Kinetic energy --> Electrical energy
Which one is NOT renewable energy sources?
Petroleum and wind
Wind and coal
Geothermal and nuclear energy
Petroleum and nuclear energy
Which of the follwing generators does not use a turbine to produce electricity?
nuclear generators
solar
hydroelectric generators
thermal generators
How is induced current detected in this activity?
Electrostatic at hand
Movement of copper rod
Movement of magnet
Movement of galvanometer pointer
Which of the following uses single-phase wiring?
Hotel
Homestay
Light industry
Shopping mall
What is the function of the National Grid Network?
Transmit electrical energy all over the country through high voltage cable network
Collect and channel the electrical energy to the consumer
store voltage for emergency use only
Lower the value of voltage to suit the supplied area
An electrical iron has label 1000W, 240V. Calculate the electrical current flow in the iron.
0.41 A
4.16 A
4.50 A
41.5 A
Identify the type of transformer shown di the diagram.
Step Up
Step Down
The electrical wiring system in a home has several safety features.
Which of the following are the safety features?
Live wire
Main fuse
The Earth Leakage Circuit Breaker
Electric meter
The diagram shows a 3-pin plug.
What are the safety features shown in the device?
Live wire
Earth wire
Neutral wire
Fuse
An electrical appliance is rated 1200 W, 240 V.
What is the cost of using the appliance for 5 hours daily for a week if the cost of a unit of electricity is RM 0.20?
RM 5.00
RM 8.40
RM 35.00
RM 840.00
An electric iron is rated 1050 W, 240 V.
Which of the following is a suitable fuse rating for the iron?
1 A
2 A
3 A
5 A
Diagram shows the electricity transmission and distribution system.
P shown is a transformer station.
Voltage that is supplied by Q is 11 kV. What is represented by Q?
Heavy industrial zone
Free commercial zone
Food processing factories
Hospital
