Electrical Circuit Quiz

A 20Ω resistor is being supplied by 120V, if the voltage was increased to 240V the current will:

• Increase

• Decrease

• Stay the same

• Not enough information

A circuit being supplied with 120V has a current of 2A flowing through it. Calculate the resistance of R1

• 30Ω

• 60Ω

• 20Ω

• 40Ω

The first step in the lock out tag out procedure requires the worker to:

• Inform everyone who needs to know

• Turn off the power

• Place a tag on the switch

• Notify the supervisor

The wattage of an electric circuit represents it's:

• Voltage

• Current

• Power

• Resistance

A circuit with resistors connected in parallel will have _____________ for current to flow.

• One path

• More than one

• No path

• A single path

An Ohmmeter connected to a live circuit would be:

• Destroyed or damaged

• Safe to use

• Functional

• Not recommended

What is the force that maintains the source voltage when a current is flowing in a circuit called?

• Voltage

• Current

• Electromotive

• Resistance

The safest ladder to use around electricity is?

• Wood

• Metal

• Fiberglass

• Plastic

______________is the total opposition to current flow in an alternating current circuit and is measured in ___________.

• Impedance - Ohms

• Resistance - Volts

• Current - Amperes

• Power - Watts

Which of the following measurements is NOT polarity sensitive?

• Measuring a resistor

• Measuring AC voltage

• Measuring DC voltage

• Measuring current