A circuit contains three parallel resistors. Each resistor has 3 amps flowing through them.What is the total current flowing through the circuit?
Answer(s): C
For resistors in parallel, the total current is equal to the sum of the currents through each resistor.
A capacitor of 100 micro farads has a capacity of __________.
A microfarad is 1 million picofarads. Therefore, if you wish to convert micro farads to picofarads, you have to multiply by 1 million. That means the answer is "100,000,000 picofarads" because 100 times 1 million is 100 million.
Impedance is represented by the symbol __________.
Answer(s): D
Impedance is the total opposition to current flow in a circuit. It has its own symbol, Z.
In electronics this symbol represents a __________.
Answer(s): B
The symbol shown represents a diode.
A junction diode is used for __________.
A junction diode has a larger surface area than a point-contact diode, therefore it can be used to handle larger currents at power-line frequencies.
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