Study Jams Electric Currents

Metals such as copper and aluminum are good ______________. 

• insulators

• conductors

• circuits

• charges

Tags

NGSS.MS-PS2-3

Which of the following does not determine the resistance of a wire?

• temperature

• color

• length

• diameter

In the U.S most electrical outlets supply a voltage of....

• 240 Volts

• 120 Volts

• 100 watts

• 60 amps

This is an example of a _______ circuit

• open

• series

• parallel

• square

This is an example of a ______ circuit

• Series

• Parallel

• Open

• Dihexihedral

If the current increases it could be because of...

• increasing voltage

• decreasing resistance

• both

When more branches are added to a parallel circuit, ____________________.

• resistance decreases

• voltage increases

• nothing changes

Tags

NGSS.MS-PS2-3

A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?

• 0.15 A

• 3600 A

• 6.25 A

• 0.16 A

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm

• 3 Ohms

• 4 Ohms

• 12 Ohms

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V

• 10 V

• 2.5 V

• 0.4 V