Spring Semester Performance Final Review

Suppose two electrically-charged particles attract one another with 0.40 N of force. If the amount of charge on one of the particles increases by 4×, and the separation distance between the particles changes by 4×, the force of attraction between the particles will be ___.

• 0.40 N

• 0.10 N

• 1.60 N

• 1.20 N

• 0.025 N

Tags

NGSS.HS-PS2-4

Two charged particles exert an electrostatic force on one another. If the amount of charge one one particle changes by 3×, and the amount of charge on the other particle changes by 2×, that makes the overall force change by ___.

• 6×

• 5×

• 1.5×

• 36×

• 0.667×

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A point charge of +3.0 X 10^-7 coulomb is placed 2.0 X 10^-2 meter from a second point charge of +4.0 X 10^-7 coulomb. What is the magnitude of the electrostatic force on the charges?

• 6.0 X 10^-12 N

• 3.0 X 10^-10 N

• 5.4 X 10^-2 N

• 2.7 N

Tags

NGSS.HS-PS2-4

How much voltage is needed if 4.0 Ω of resistance has 3.0 amps of current flowing through it?

• 12 V

• 21 V

• 1.33 V

• 0.75 V

A circuit with a single 40-Ω heating element has 200 V placed across it. How much power is being dissipated by the circuit?

• 5.0 W

• 1000.0 W

• 200.0 W

• 40.0 W

• 0.125 W

If there is a 4 ohm resistor, a 6 ohm resistor, and a 8 ohm resistor in a parallel circuit, what is the total resistance?

• 6.43 Ω

• 1.85 Ω

• 0.325 Ω

• 18 Ω

• 0.541 Ω

How much current flows in a series circuit with resistors of 5.0 Ω, 9.0 Ω, and 17 Ω, when connected to a battery of 12.0 V?

• 0.387 A

• 4.44 A

• 372.0 A

• 2.7 A

• 31 A

What is the total resistance (equivalent resistance) throughout the circuit? Respond with number only (no units)

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s
• 3400 Hz
• 3400 m/s
• 34 Hz

Tags

NGSS.HS-PS4-1

 A wave has frequency of 5.0 Hz and a speed of 25 m/s. What is the wavelength of the wave?

• 25 m
• 125 m
• 5.0 m

• 25 m/s
• 5.0 m/s

Tags

NGSS.HS-PS4-1