Xray Circuits Part I

If the current is 2 amps and the resistance is 10 ohms, what is the voltage?

• 30

• 15

• 20

• 10

Conductors allow __________

• the flow of protons

• the stopping of movement

• the flow of electrons

• creation of energy

The number of free electrons moving in an electrical circuit is called ___ which is measured in ___

• electric potential, current

• current, amperage

• voltage, ohms

• resistance, ohms

If the potential difference is 10 V and the resistance is 2 Ω, what is the current?

• 5

• 2

• 20

• 0.2

If the potential difference is 70 volts and the current is 7 amps, what is the resistance?

• 10

• 490

• 0.1

• 7

___________ is the study of electric charges in motion

• Electromagnetism

• electrostatistics

• electrostatics

• electrodynamics

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

If the current is 3 amps and the resistance is 15 ohms, what is the voltage?

• 5

• 10

• 45

• 25

Changing a circuit between open and closed states can be done with a ___

• switch

• wire

• battery

The pressure pushing the electrons is ____measured in ____

• resistance, amps

• resistance, ohms

• current, amps

• voltage, volts

These materials have a large number of free electrons

• conductors

• insulators

• atoms

Tags

NGSS.HS-PS2-6