JAN_Electric

What is current measured in?

• Amps
• Watts
• volts
• ohms

What two things are needed for electric current to flow?

• Two resistors
• A power source and complete path
• A switch and complete path
• A power source and resistor

What stores chemical energy and transfers it to electrical energy?

• a cell or battery
• a generator
• a resistor
• a motor

What type of circuit is always open?

• complete
• AC
• incomplete
• series

What device is used to measure current in a circuit?

• transistor
• resistor
• voltmeter
• ammeter

What is another name for voltage or measures of electrical pressure?

• Electromotive force
• Electric Slide
• Electromechanical force
• amps

What type of materials are generally good conductors?

• those with tightly held electrons
• halogens
• wood
• metals

What describes an insulator?

• material with tightly held electrons
• the interior section of electrical wiring
• material with loosely held electrons
• a material that easily transmitts electric

Which type of electrical flow occurs when electrons flow back and forth?

• constant current
• direct current
• oscillating current
• alternating current

Which type of electrical flow occurs when electrons flow in only one direction?

• divergent current
• direct current
• oscillating current
• alternating current