Unit 2.5 Electricity Practice Quiz

Which statement best explains why the lamp does not glow? 

• Circuit 1 is an open circuit.
•  Circuit 1 is a closed circuit.
•  The negative terminal of Circuit 1 is connected to the cell.
• The positive terminal of Circuit 1 is connected to the cell.

A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 

• The switch needs to be opened.
• The switch needs to be closed.
• The cell needs an insulator.
• The wire needs to be connected to the bottom of the cell.

Lightning is an example of _________.

• static electricity
• current electricity
• watts
• voltage

As the resistance in a circuit increases, the electric current __________.

• increases
• decreases
• stays the same

Which formulas represents Ohm's law?

• V=IR
• R=IV
• I=RV

What type of circuit is pictured?

• series
• Parallel

Which type of current comes from a battery?

• alternating current (AC)
• direct current (DC)

What is a closed path for electrons to flow through?

• static electricity
• circuit
• amperes

The unit for current is the 

• Volt
• Ohm
• Electron
• Amp

In a ________ circuit there are multiple paths for the current to take.

• Series
• Parallel