Electric Circuits

The symbol represents a ________________ and the long side represents the ________________ side.

• cell, positive

• cell, negative

• battery, positive

• battery, negative

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 is a circuit?

• A rate of charges flow through a cross-sectional area of a wire

• A closed path that a current can flow along

Tags

NGSS.HS-PS2-5

This is an example of a _______ circuit

• open

• series

• parallel

• square

This is an example of a ______ circuit

• Series

• Parallel

• Open

• Dihexihedral

Circuits often include a _____________ to control the flow of current.

• switch
• conductor
• voltage
• current

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

• resistance decreases
• voltage increases
• nothing changes

Which is the right form of Ohm's Law?

• V=I/R

• V=R/I

• I=V/R

• I=R/V

What is not needed in order to create a working circuit?

• battery (power source)

• lightbulb

• current

• closed circuit

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

• 12 V

• 21 V

• 4/3 V

• 3/4 V