Electricity & Magnetism

Something electricity CAN'T move through is called a(n) ______.

• conductor

• wire

• shoe

• insulator

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.

What size resistor would produce a current of 3A with a 12V battery?

• 1 Ohm

• 3 Ohms

• 4 Ohms

• 12 Ohms

If a battery produced 12.6V, what would the current be with a 6 Ohm resistor?

• 2.1 Amps

• 2.4 Amps

• 1.71 Amps

• 15 Amps

If the resistance of a circuit increases, then the current through the circuit would ____.

• decrease

• increase

• be unchanged

• Not enough information

This is an example of a _______ circuit.

• open

• series

• parallel

• square

This is an example of a ______ circuit.

• Series

• Parallel

• Open

• Dihexihedral

The equivalent resistance of this circuit is _________.

• 25.7 ohms

• 315 ohms

• 324 ohms

• 90 ohms

What is the transfer of energy in a generator?

• Mechanical to Electrical

• Physical to Potential

• Electrical to Mechanical

• Yogurt to Light

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5