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  5. ASVAB Section 5: Electronic Information

Free ASVAB Section 5: Electronic Information Exam Braindumps (page: 24)

Page 23 of 46
PDF with 180 Questions

A parallel circuit with resistors of 10 ohms, 10 ohms, and 5 ohms has a total resistance of ______________.

  1. 10 ohms
  2. 5 ohms
  3. 25 ohms
  4. 2.5 ohms

Answer(s): D

Explanation:

Total resistance of a parallel circuit can be found two ways: by using the reciprocal formula or by using the product of two resistors divided by the sum of the two resistors divided by the sum of the two and then using it again to obtain the final answer in the case of three in parallel. In this case the two 10-ohm resistors will reduce to an equivalent of 5 ohms. This leaves, then, two 5-ohm resistors in parallel, which reduce to 2.5 or half of the value of one.



Which of these is a symbol for a fuse?








Answer(s): B

Explanation:

The symbols shown are for the resistor, the fuse, and the capacitor, as well as for a lamp or light bulb. The one for the fuse is shown as in B.



How much voltage has a typical home outlet?

  1. 120 volts
  2. 200 volts
  3. 60 volts
  4. 100 volts

Answer(s): A

Explanation:

A typical residential electrical outlet has 120 volts.



A circuit contains three parallel resistors. Each resistor has 3 amps flowing through them. What is the total current flowing through the circuit?

  1. 1 A
  2. 3 A
  3. 9 A
  4. 1.5 A

Answer(s): C

Explanation:

For resistors in parallel, the total current is equal to the sum of the currents through each resistor.






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