Understanding Electrical Measurement Techniques

What is the standard unit of electric current?

• Volt

• Ampere

• Ohm

• Watt

Which instrument is used to measure voltage in a circuit?

• Ammeter

• Voltmeter

• Ohmmeter

• Thermometer

What is the primary function of an ammeter?

• To measure resistance

• To measure voltage

• To measure current

• To measure temperature

In a general system, what is typically considered the input?

• The energy consumed

• The output produced

• The process involved

• The resources used

What is the output of a system?

• The energy consumed

• The final product or result

• The initial resources

• The process involved

Which unit is used to measure electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

How is the voltage across a component in a circuit typically measured?

• In series with the component

• In parallel with the component

• Using a thermometer

• Using a barometer

What is the formula for calculating electrical power?

Which of the following is a correct unit for measuring distance less than 1 mile?

• Kilometre

• Metre

• Pound

• Ounce

What is the unit of measurement for temperature commonly used in Great Britain?

• Fahrenheit

• Kelvin

• Celsius

• Rankine