Electricity

Match the word with the definition.

bionic

• having body functions enhanced or replaced by electronic equipment

• combining things in a pleasing or effective way

• the smallest image-forming units in a video display system

• to fix something firmly into something else

• a person’s essential body functions

What is the unit of electric current?

• Ampere

• Volt

• Ohm

• Watt

Which of the following materials is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

What is the formula for calculating electrical power?

Which device is used to measure electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Thermometer

What is the resistance of a conductor if the current flowing through it is 2A and the voltage across it is 10V?

• 5 Ohms

• 10 Ohms

• 20 Ohms

• 2 Ohms

Which of the following is a non-renewable source of energy?

• Solar

• Wind

• Coal

• Hydro

What is the role of a fuse in an electrical circuit?

• To increase current

• To decrease voltage

• To prevent overloading

• To store energy

What is the relationship between voltage, current, and resistance in Ohm's Law?

Which of the following is an example of an insulator?

• Copper

• Aluminum

• Plastic

• Iron

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4