V

How many types of magnets are in this diagram?

• Two: an electromagnet and a permanent magnet

• Three: a lightbulb, a solenoid, and a permanent magnet

• One: a permanent magnet

• One: an electromagnet

Tags

NGSS.HS-PS2-5

What is the SI unit of electric potential, represented by the symbol 'V'?

• Volt

• Watt

• Ohm

• Ampere

Which of the following equations correctly represents Ohm's Law?

• Velocity

• Volume

• Voltage

• Viscosity

Tags

NGSS.HS-PS2-5

Which of the following is a correct expression for calculating the electric potential energy (U) of a charge (q) in an electric field (E) over a distance (d)?

Tags

NGSS.HS-PS3-2

In a circuit, if the voltage (V) is doubled and the resistance (R) remains constant, what happens to the current (I)?

• It doubles

• It halves

• It remains the same

• It quadruples

Which of the following devices is used to measure electric potential difference between two points in a circuit?

• Voltmeter

• Ammeter

• Ohmmeter

• Galvanometer

What is the relationship between voltage (V), work done (W), and charge (Q) in an electric field?

• Work done

• Weight

• Wattage

• Wave

Tags

NGSS.HS-PS3-1

Which of the following statements is true about the potential difference in a parallel circuit?

• It is the same across all components

• It is different across each component

• It is zero across all components

• It is half of the total voltage