La electricidad estática

The video explains static electricity, formed by charge accumulation due to friction, and contrasts it with dynamic electricity. It highlights the risks of static electricity in rescue helicopters, where charge buildup can be dangerous. A solution using a static line is presented to safely discharge electricity, allowing rescue teams to operate without additional risks. Generally, static electricity causes minor effects like hair standing on end.

What is a key difference between static and dynamic electricity?

• Dynamic electricity is caused by friction.

• Static electricity flows through conductors.

• Dynamic electricity accumulates on insulators.

• Static electricity accumulates on insulating materials.

Why is static electricity a concern for rescue helicopters?

• It can cause the helicopter to lose power.

• It can lead to dangerous shocks when landing.

• It makes the helicopter heavier.

• It interferes with radio communications.

How do helicopter propellers become negatively charged?

• By rubbing against the helicopter body.

• By gaining electrons from dust particles.

• By losing electrons to the air.

• By interacting with water droplets.

What is the purpose of the static line used in helicopters?

• To guide the helicopter's landing.

• To discharge static electricity safely.

• To connect the helicopter to the ground.

• To help the helicopter lift off.

What is a common harmless effect of static electricity?

• It causes small fires.

• It makes your hair stand on end.

• It changes the color of objects.

• It creates loud noises.