DC Circuit

What particle has a negative charge?

• Protons
• Neutrons
• Atoms
• Electrons

The total charge, Q flowing the area per unit time is defined as ?

• Current

• Capacitance

• Coulomb

• Potential difference

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

Calculate the quantity of charge, Q, obtained when a current of 25 amps runs for 1 minute

• Q = 1,800 C

• Q = 1,500 C

• Q = 1000 C

• Q = 3000 C

An object through which electrons can easily flow is called a(n) ___________.

• Conductor
• Insulator

Which of these objects is an insulator?

• Copper Wire
• Paper Clip
• Steel Pole
• Rubber Gloves

What is this symbol?

• A. Ammeter

• B. Resistor

• C. Battery

• D. Voltage

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Which factor does not affect resistance?

• Length

• Mass

• Cross-sectional area

• Temperature

A thicker wire means ____________ in resistance.

• a decrease

• an increase

• no change