3NT Chapter 4 Electricity Part I

3NT Chapter 4 Electricity Part I

Multiple Choice

identify the diagram

• Fuse

• resistor

• lamp

• battery

Multiple Choice

identify the diagram

• lamp

• series

• close circuit

• resistors

Multiple Choice

identify the diagram

• open circuit

• close circuit

• switch

• series-parallel

Multiple Choice

This is the symbol for a _____?

• Fixed resistor
• Variable resistor
• Fuse
• Box

Multiple Choice

This is the symbol for 

• Variable resistor
• Thermistor
• Resistor
• Fuse

Multiple Choice

This is the symbol for a _____?

• Lamp
• Water wheel
• Loudspeaker
• Motor

Multiple Choice

This is the circuit symbol for ...

• an AC current source
• a DC current source
• an ammeter
• a voltmeter

Multiple Choice

This is the circuit symbol for ...

• an AC current source
• a DC current source
• an ammeter
• a voltmeter

Multiple Choice

what is this symbol for?

• light bulb
• cell
• battery
• resistor

Multiple Choice

This is the symbol for a ...

• Bulb
• Battery
• Horn
• Fuse

Multiple Choice

How must a voltmeter be connected?

• In series

• In parallel

• To a power supply

Multiple Choice

The voltage across each bulb is 9V.  What is the voltage across the cell?

• 4.5
• 9
• 18
• 27

Multiple Choice

The lamps are identical.  What is the voltage across each lamp?

• 6 V
• 12V
• 3 V
• 2.5 V

Multiple Choice

Adding more bulbs to a series circuit will make each bulb burn less brightly.

• True
• False

Multiple Choice

The difference in electrical potential energy between two places is called

• resistance
• friction
• induction
• voltage

Multiple Choice

What is the rule for voltage in a parallel circuit?

• stays the same
• adds up
• inverse of the sum of the reciprocals

Multiple Choice

If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?

• 10V
• 5V
• 20V
• 0V

Multiple Choice

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

Multiple Choice

in which circuit is the lamp brightest

• 1

• 2

• 3

• All the same

Multiple Choice

How does resistance affect current?

• less resistance - less current
• more resistance - less current
• more resistance - more current
• resistance does not affect current

Multiple Choice

What is the unit of measurement for resistance?

• Voltage

• Ampere

• Watts

• Ohms