SNC 1DI - Electricity

The "I" in V = IR stands for...

• Voltage
• Resistance
• Current
• Conductivity

The potential difference across two points is generally referred to as...

• Micrometer
• Voltage
• Amperage
• Resistance

Which way do electrons flow?

• From negative to positive
• From positive to negative
• From negative to negative
• From positive to positive

When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.

• parallel
• series
• open
• closed

Does this diagram represent a series or parallel circuit?

• series circuit
• parallel circuit

Does this diagram represent a series or parallel circuit?

• series circuit
• parallel circuit

What would happen if you took one bulb out of a series circuit?

• The circuit would be closed
• It would not change the circuit
• You would create a short circuit
• None of the other bulbs would light

Which of the following is true about a parallel circuit? 

• Current is the same through all resistors in parallel.
• Voltage through each branch is the same.
• Power dissipated by each resistor is the same.
• Voltage used by each resistor is dependent on the resistance of each.

A controlled flow of electricity in a closed path is called a

• path
• current
• circuit

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet