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10 Cards in this Set

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  • 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
C
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
A
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
D
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
C
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