Electrical Quiz

What occurs when like poles of two magnets are moved closer to each other?

• Attract each other

• Repel each other

• No effect

• Opposing force increases

What meter is used for measuring insulation resistance?

• Ammeter

• Voltmeter

• Ohmmeter

• Megohmmeter

What is current flow from a negative to positive point in a circuit called?

• Proton flow

• Electron flow

• Neutron flow

• Positron flow

What is the symbol used for resistance in an electric circuit?

• R

• V

• Ώ OMEGA

• I

The majority of megohmmeters have output voltages of:

• 100V TO 500V

• 500V TO 1000V

• 1000V TO 1500V

• 1500V TO 2000V

How must an Ammeter used to measure the current through a device be connected?

• In series with the device

• In parallel with the device

• Across the device

• None of the above

If one resistor is removed from a series circuit and the circuit is rejoined at that point, the total:

• Current will increase

• Current will decrease

• Voltage will increase

• Voltage will decrease

Three resistors are connected in parallel to a 1000 Volt supply source. If one resistor is disconnected, the total current will:

• Increase

• Decrease

• Stay the same

• Cannot be determined

When voltage is applied across a circuit that is open, the:

• Current will flow

• Current will not flow

• Voltage will increase

• Voltage will decrease

How is a Voltmeter connected in a single-phase circuit?

• In series with the device

• In parallel with the device

• Across the device

• None of the above