Electric current and voltage

The movement of electrons from atom to atom in a closed wire results in a flow of _____

• electric current.
• electric voltage.
• electron
• proton

Which statement is true?

• The light bulb will light up because the circuit is complete.

• The light bulb will light up because the circuit is broken.

• The light bulb will not light up because the circuit is complete.

• The light bulb will not light up because the circuit is open.

What is the unit of current ?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

AC stands for ___.

• Alternating Current

• Attraction Connections

• Cooling Current

• None

The difference in electrical potential energy between two charged bodies is called___

• Power
• Voltage
• current
• charge

what type of current is it showing in picture?

• AC
• DC
• wire
• none

what type of current is it showing in picture?

• AC
• DC
• wire
• none

Current can only flow if there is a/an

• Open circuit
• Short circuit
• Parallel circuit
• Closed circuit

_____ instrument is used to measure the voltage.

• Ammeter

• Ohmmeter

• Voltmeter

• Galvanometer

____ source is shown in the picture.

• AC
• DC
• Both AC and DC
• None