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1. A resistor __________________.
a. stores an electric charge
b. is measured in coulombs
c. cause a voltage drop across it
d. dependent on lines of force - ANSWER ✓ c. cause a voltage
drop across it
2. When the turns ration of a transformer is 10 and the primary AC
voltage is 8V, the secondary voltage is _____.
a. 80 volts
b. 0.8 volts
c. 8 volts
d. 64 volts - ANSWER ✓ b. 0.8 volts
,3. Which of these color code patterns is found of a 270Ω 5% resistor?
a. red, violet, brown, silver
b. red, violet, brown, gold
c. red, brown, black, silver
d. red, violet, black , silver - ANSWER ✓ b. red, violet, brown,
gold
4. 1 kΩ is the same as _________.
a. 1000 ohms
b. .001 ohms
c. 10e-2 ohms
d. 10000 ohms - ANSWER ✓ a. 1000 ohms
5. A resistor with color bands orange, red, brown is _____.
a. 3.2 mega ohms
b. 232 ohms
c. 2.3 kilo ohms
d. 320 ohms - ANSWER ✓ d. 320 ohms
6. A circuit with 500 ohm resistor in series with three 500 ohms
connected in parallel with each other. The total resistance would be
, a. 666 ohms
7. b 167.7 ohms
8. c. 750 ohms
9. d. 1000 ohms - ANSWER ✓ a. 666 ohms
10. The voltage rating of a capacitor...
a. must be factored into reactance formula
b. relates to max voltage that should be applied to it
c. indicates max current allowed
d. is same as power factor - ANSWER ✓ b. relates to max
voltage that should be applied to it
11. Calculating the total capacitance of several capacitors in
parallel _____.
a. is not necessary as they are used
b. causes a need to consider inductance factors
c. is done by adding each of the capacitance values
d. adding by the reciprocal of capacitance values - ANSWER ✓
c. is done by adding each of the capacitance values
12. Ferrite _____.
, a. is a dielectric
b. is a common inductor core material
c. is most common resistor coating
d. causes faulty saturation of inductors - ANSWER ✓ b. is a
common inductor core material
13. The term Henry refers to _____.
a. the inductive property of a coil
b. the inventor of inductors
c. reactance of LR circuits
d. resonant frequency of tank circuits - ANSWER ✓ a. the
inductive property of a coil
14. A certain transformer has 250 turns in the primary windings
and 1250 turns in the secondary winding. The turns ratio is
__________.
a. 0.2
b. 2.5
c. 5
d. 0.5 - ANSWER ✓ a. 0.2
15. One microfarad is equivalent to __________ picofarads.