CP9c Current, charge, energy

Which component is used to measure electric current?

• Voltmeter
• Ammeter
• Resistor
• Thermistor

What are the units for current?

• Volts
• Joules
• Newtons
• Amps

What are the units of potential difference?

• Volts
• Joules
• Ne

Is an ammeter connected in series or parallel with a component?

• Series
• Parallel

Is an ammeter connected in series or parallel with a component?

• Series
• Parallel

Is a voltmeter connected in series or parallel with a component?

• Series
• Parallel

A series circuit has 2 lamps. When the current through 1 lamp is 2A, what is the current through the other lamp?

• 1A
• 1.5A
• 2A
• 4A

A parallel circuit has 2 lamps in parallel. When the current through each lamp is 2A, what is the current from the battery?

• 1A
• 1.5A
• 2A
• 4A

Current can be described as the rate of flow of charge. In a metal, what are the charged particles that flow?

• Joules
• Electrons
• Protons
• Atoms

How is energy stored in a battery?

• Electrical energy
• Physical energy
• Nuclear energy
• Chemical energy