Current, Voltage and Resistance

What is resistance measured in?

• Ω (Ohms)

• V (Volts)

• A (Amps)

What 'flows' in a wire?

• Protons

• Neutrons

• Electrons

Tags

NGSS.HS-PS2-5

As the resistance of a circuit increases, the current will...

• Increase

• decrease

• stay the same

The voltmeter is an instrument used to measure __________.

• potential difference

• kilowatt-hour

• overloading

• negative, positive

Tags

NGSS.HS-PS2-5

TRUE or FALSE: The movement or flow of electrons causes the presence of an electric current.

• TRUE

• FALSE

Tags

NGSS.HS-PS2-5

Given the schematic diagram, which of the following components are present?

• switch

• resistors

• lamps

• conductors

• power supply

What is the unit of potential difference (p.d)?

• Amperes (A)

• Newton (N)

• Ohms (Ω)

• Volts (V)

How much charge has the cooker used?

• 14400 C

• 280 C

• 100 C

• 0.6 C

The movement of electrons is called:

• Voltage

• Current

• Resistance

• Power

The number of coulombs passing a given point in 1 second

• Ampere

• Watt

• Volt

• Ohm