Canadian Basic pool, section 5-09

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Subelement 5

Basic Electronics and Theory

Section 5-09

introduction to inductance, capacitance

5-09-01

If two equal-value inductors are connected in series, what is their total inductance?

A.
Half the value of one inductor
B.
The same as the value of either inductor
C.
The value of one inductor times the value of the other
Correct Answer
D.
Twice the value of one inductor

5-09-01

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5-09-02

If two equal-value inductors are connected in parallel, what is their total inductance?

A.
Twice the value of one inductor
B.
The same as the value of either inductor
C.
The value of one inductor times the value of the other
Correct Answer
D.
Half the value of one inductor

5-09-02

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5-09-03

If two equal-value capacitors are connected in series, what is their total capacitance?

A.
Twice the value of one capacitor
B.
The same as the value of either capacitor
C.
The value of one capacitor times the value of the other
Correct Answer
D.
Half the value of either capacitor

5-09-03

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5-09-04

If two equal-value capacitors are connected in parallel, what is their total capacitance?

A.
The same as the value of either capacitor
Correct Answer
B.
Twice the value of one capacitor
C.
The value of one capacitor times the value of the other
D.
Half the value of one capacitor

5-09-04

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5-09-05

What determines the inductance of a coil?

A.
The core material, the number of turns used to wind the core and the frequency of the current through the coil
B.
The core diameter, the number of turns of wire used to wind the coil and the type of metal used for the wire
Correct Answer
C.
The core material, the core diameter, the length of the coil and the number of turns of wire used to wind the coil
D.
The core material, the core diameter, the length of the coil and whether the coil is mounted horizontally or vertically

5-09-05

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5-09-06

What determines the capacitance of a capacitor?

Correct Answer
A.
The material between the plates, the area of one side of one plate, the number of plates and the spacing between the plates
B.
The material between the plates, the number of plates and the size of the wires connected to the plates
C.
The number of plates, the spacing between the plates and whether the dielectric material is N type or P type
D.
The material between the plates, the area of one plate, the number of plates and the material used for the protective coating

5-09-06

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5-09-07

If two equal-value capacitors are connected in parallel, what is their capacitance?

A.
The same value of either capacitor
B.
The value of one capacitor times the value of the other
C.
Half the value of either capacitor
Correct Answer
D.
Twice the value of either capacitor

5-09-07

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5-09-08

To replace a faulty 10 millihenry choke, you could use two:

A.
Two 20 millihenry chokes in series
Correct Answer
B.
Two 5 millihenry chokes in series
C.
Two 30 millihenry chokes in parallel
D.
Two 5 millihenry chokes in parallel

5-09-08

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5-09-09

Three 15 microfarad capacitors are wired in series. The total capacitance of this arrangement is:

A.
45 microfarads
B.
12 microfarads
Correct Answer
C.
5 microfarads
D.
18 microfarads

5-09-09

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5-09-10

Which series combinations of capacitors would best replace a faulty 10 microfarad capacitor?

A.
two 10 microfarad capacitors
Correct Answer
B.
two 20 microfarad capacitors
C.
twenty 2 microfarad capacitors
D.
ten 2 microfarad capacitors

5-09-10

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5-09-11

The total capacitance of two or more capacitors in series is:

A.
found by adding each of the capacitors together and dividing by the total number of capacitors
B.
found by adding each of the capacitors together
Correct Answer
C.
always less than the smallest capacitor
D.
always greater than the largest capacitor

5-09-11

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