100% VERIFIED ANSWERS
2024/2025
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
c. cause a voltage drop across it
1 kΩ is the same as _________.
a. 1000 ohms
b. .001 ohms
c. 10e-2 ohms
d. 10000 ohms
a. 1000 ohms
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
d. 320 ohms
,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
b 167.7 ohms
c. 750 ohms
d. 1000 ohms
a. 666 ohms
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
b. relates to max voltage that should be applied to it
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
c. is done by adding each of the capacitance values
Ferrite _____.
a. is a dielectric
b. is a common inductor core material
c. is most common resistor coating
d. causes faulty saturation of inductors
,b. is a common inductor core material
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
a. the inductive property of a coil
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
a. 0.2
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
b. 0.8 volts
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
b. red, violet, brown, gold
One microfarad is equivalent to __________ picofarads.
A. 10
B. 1000
C. 100,000
D. 1,000,000
D. 1,000,000
The capacitance of a capacitor with 10uC of electric charge and 100V across its
plates is ____.
a. 0.1uF
b. 10uF
c. 1000uF
d. 107uF
a. 0.1uF
The atomic number of an element is the same as the element's atomic weight
a. True
b. False
b. False
An increase in voltage with resistance held constant cause current to _____.
a. decrease