Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

10 Cards in this Set

  • Front
  • Back
Ohm's Law states:
A Voltage = Current x Resistance
B Amperes = Current x Resistance
C Voltage = Resistance / Amperes
D Ohms = Voltage / Current
A Voltage = Current x Resistance
An electromagnetic-induction device usually has which of the following materials in its core?
A brass
B silver
C aluminum
D iron
D Iron
How many diodes should you expect to find in a bridge rectifier?
A 0
B 4
C 8
D 10
Another name for cycles per second:
A watts
B voltage
C hertz
D amperes
C the number of times alternating current changes its direction in one second is know as its frequency
Newer cell phones contain a removable memory card, which is often called a:
A SIM Card
B DIM Chip
C PIN Card
D Pin Chip
Subscriber Identity Module
When current flows through a wire, the following influences are present:
A amperes and ohms only
B voltage, watts, and ohms
C voltage and amperes only
D voltage, ohms, and smperes
Millihenries are related to:
A capacitors
B inductors
C relays
D transformers
B inductors
Radar can operate at frequences as high as:
A 100,000 Hz
B 100,000 kHz
C 100,000 MHz
D 500,000 MHz
Radio waves travel:
A at the speed of light
B at the speed of sound
C faster than the speed of light
D faster than sound but slower than light
A Speed of Light
Changing alternating current to direct current is called:
A capacitance
B impedance
C rectification
D induction
C Changing AC to DC is a process called rectification