Multimeter Basics Quiz

What is the primary source of DC voltage in most devices?

• Batteries

• AC adapters

• Solar panels

• Alternators

What does DC stand for?

• Dynamic current

• Digital circuit

• Direct current

• Dual connectivity

Tags

NGSS.HS-PS2-5

How should you set the dial when measuring a known voltage?

• To the lowest setting

• To the exact voltage

• To the next number up from the maximum voltage

• To the highest setting

What indicates a fully charged battery when measuring DC voltage?

• A reading lower than expected

• A reading that fluctuates rapidly

• A negative sign next to the reading

• A reading slightly higher than the battery's rating

What should you do if unsure about the voltage you're measuring?

• Start with the lowest setting

• Measure without the test leads

• Start with the highest setting and work down

• Use the AC setting

What symbol indicates the setting for measuring AC voltage on a multimeter?

• A straight line

• A plus sign

• A horseshoe

• A wave sign

What should you ensure when measuring high AC voltage?

• The multimeter is in the resistance mode

• The integrity of your multimeter and test leads

• The multimeter is set to DC

• The device is powered on

Tags

NGSS.HS-PS2-5

Where should the black test lead be placed when measuring voltage?

• In the V slot

• In the 10A slot

• In the COM slot

• In the mA slot

What is the unit of measurement for resistance?

• Watts

• Volts

• Amps

• Ohms

What is the purpose of measuring resistance in a circuit?

• To determine the opposition to the flow of electric current

• To find the voltage level

• To ensure the circuit can carry an AC current

• To check the power supply