Assignment 1 - Week 4 - Physics

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

The flow of charge in a conductor is _____.

• resistance.

• electric current.

• electric potential.

What is the unit of current?

• kilowatt·hour

• ampere

• coulomb

• volt

What is the current in an electric circuit?

• The energy of the circuit

• The flow of electrons in the circuit

• The power of the circuit

What is needed for current to flow?

• light bulb

• multimeter

• resistance

• voltage

Charge flows from low potential to high potential.

• True

• False

When there is no electric potential difference, there is no flow of charge.

• True

• False

What 'flows' in a wire?

• Protons
• Neutrons
• Atoms
• Electrons

Tags

NGSS.HS-PS2-5

In a circuit, what provides an electric potential difference?

• resistor

• wire

• battery

• switch

SI unit of resistance is

• ampere

• metre

• ohm

• volt