Electrical And Electronics Flashcards
An analog ohmmeter will have what connected inside in series
An internal battery supply connected in series
A diode that is used to reduce switch arcing as a result of
self-induction is often referred to as a
Clamping diode
A lead acid battery is considered to have 100% power available at how many degrees Celsius
27°C
All material is composed of
Atoms
A binary voltage signal is limited to how many levels
2
The recommended type of charger to charge a lead acid battery to 100% is a __________. charger
Slow
Kirchoffs current law states that the sum of electrical currents flowing into a point must equal the sum of the electrical currents flowing away from the point. True or false
True
When referring to electronic control systems, which of the following would be classified as an output device? Solenoid. Potentiometer. Thermistor. Reluctance voltage generator
A solenoid
The lead of the diode that is connected to the N type material of the diode is called the
Cathode
A solution of baking soda and water will do what to the electrolyte of a lead acid battery
Neutralize it
Each time the range of an ohmmeter is changed the meter must be calibrated. True or false
True
Twisted-pair conductors would be used in which circuit. Stop light. Horn. Fuel injector. Running lights.
Fuel injector circuits
A material that has less resistance than a good insulating material, and more resistance then a good conductive material is called a__________.
Semiconductor
The procedure to calibrate an analog ohmmeter is to do what?
Touch the leads together and adjust the reading to 0 ohms
A 12 V starter operating at 10 V and drawing 100 A of current use, equals how many watts of power
1000 Watts
Each cell of a lead acid battery is theoretically capable of producing a maximum of ________. Volts?
2.1 V
An analog meter will display the most accurate readings when the needle is in the
Mid to upper third of the scale
A special diode that can conduct current in a reverse bias connection under certain conditions is called a
Zener diode
What converts electrical energy to mechanical energy
An electric motor
When referring to the American wire gauge, which of the following conductors will have the smallest diameter?
AWG 10. AWG 28. AWG 16. AWG 00.
AWG 28
To reduce the effect of meter loading when using a voltmeter, use a voltmeter with
A high impedance
Gallium and indium are what type of semiconductor doping materials?
N type, P type, X type, or positive?
P type
What type of lead acid battery has a sealed case and no access to the battery case
Maintenance free
When referring to electrical meters the acronym DMM stands for
Digital multimeter
When using a digital multimeter within an Amp Clamp should the meter read zero before connecting to the circuit.?
Yes. It must be zero.
When using a test light on electrical circuits should you pierce the conductor insulation with the probe?
Only if it will give you a lot of job security chasing faults.
