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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
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An electromagnetic-induction device usually has which of the following materials in its core?
A brass B silver C aluminum D iron |
D Iron
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How many diodes should you expect to find in a bridge rectifier?
A 0 B 4 C 8 D 10 |
C
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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
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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 |
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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
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Millihenries are related to:
A capacitors B inductors C relays D transformers |
B inductors
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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
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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
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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
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