EC

Which is considered as the negatively charged particle of an atom ?

• Proton

• Electron

• Neutron

Tags

NGSS.MS-PS1-1

What kind of circuits allow the movement of electrical energy?

• Closed circuit

• open circuit

• short circuits

Tags

NGSS.HS-PS2-5

How is electric potential difference measured?

• Ammeter

• Voltmeter

• Galvanometer

• Thermometer

In which direction electrons flow in a circuit?

• Positive to negative

• Negative to positive

• Do not move

Tags

NGSS.MS-PS2-5

Which sphere of the Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is voltage?

• The number of charged particles that pass each second

• The difference in potential energy of charged particles

• The rate at which energy is being transformed

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-2

If the number of turns in the coil of an electromagnet is more, the strength of the electromagnet will be

• lesser

• greater

• same

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Who found that an electric current has a magnetic field ,just as a magnet does

• Faraday

• Oersted

• Grahambell

• Ampere

Tags

NGSS.HS-PS2-5

What is this?

• Soleoid

• Solenoid

• Electrical magnet

• Electron magnet

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Why must parts of a circuit be properly connected before the bulb can light up?

• To ensure that the bulb can light up.

• To ensure that the battery can produce light in a closed circuit.

• To ensure that electric current can flow through the closed circuit.