Formative 1.1 What is Static

What is the origin of the word "electricity"?

• Latin word "electrum"

• Greek word "elektron"

• Roman word "electra"

• Egyptian word "elektra"

What happens when electrons are added to an object?

• It becomes positively charged

• It becomes negatively charged

• It becomes neutral

• It becomes electrically inactive

Why is it important to ground a gas can before filling it?

• To prevent static electricity from igniting fumes

• To make the gas flow faster

• To keep the gas cool

• To prevent overfilling

Why is there more static in the winter than in the summer?

• Higher humidity in winter

• Lower humidity in winter

• More rain in winter

• Less wind in winter

Why are memory chips packed in anti-static bags?

• To keep them warm

• To prevent static damage

• To make them lighter

• To enhance performance

Why are many electrical appliances earthed or grounded?

• To increase their efficiency

• To prevent extra charge accumulation

• To enhance their performance

• To reduce their power consumption

How is grounding usually achieved in electrical plugs?

• Through the side prongs

• Through the center prong

• Through the top prong

• Through the bottom prong

What is a potential risk for electricians working on high voltage lines?

• Getting electrocuted by touching the earth

• Getting shocked by touching the wire

• Getting burned by the equipment

• Getting tangled in the wires

What happens to electrons when a positively charged object is grounded?

• Electrons flow into the object

• Electrons flow out of the object

• Protons flow into the object

• Protons flow out of the object

Objects that have opposite charges

• are attracted to each other, and the force between the objects pulls them together.
• are attracted to each other, and the force between the objects pushes them apart.
• are repelled by each other, and the force between the objects pulls them together.
• are repelled by each other, and the force between the objects pushes them apart.