Circuits and Resistance

What does an ammeter measure?

• Coulombs

• Current

• Charge

• Amperes

Where in a circuit is an ammeter added?

• In parallel

• In series

Why is a voltmeter added in parallel?

• To measure the energy transferred before the component

• To measure the energy transferred after the component

• To measure the energy transferred to a component

• To measure the energy wasted by a component

Tags

NGSS.HS-PS3-1

Complete the equation: ................ = potential difference / resistance

• Charge

• Current

• Resistance

• Coulomb

What is this circuit component?

• Fixed resistor

• Variable resistor

• Thermistor

• LDR

Calculate the charge and give the unit when a current of 0.15 A flow around the circuit for 20 seconds.

• 133.33 C

• 1.5 C

• 0.0075 C

• 3 C

Why must parts of a circuit be properly connected before the bulb can light up?

• To ensure that the bulb can light up.

• To ensure that the battery can produce light in a closed circuit.

• To ensure that electric current can flow through the closed circuit.

Tags

NGSS.MS-ETS1-1

Look at the circuits in the diagram. In which circuit will the bulb be brighter?

• Circuit A

• Circuit B

• Both circuits, the bulbs will have the same brightness.

Look at the circuits in the diagram. In which circuit will the bulb be brighter?

• Circuit C

• Circuit D

• Both circuits, the bulbs will have the same brightness.

Look at the circuits in the diagram. In which circuit will the bulb be brighter?

• Circuit A

• Circuit B

• Both circuits, the bulbs will have the same brightness.