Canadian Basic pool, section 5-12

Basic

This is an old (expired) question pool. Click here to go to the current version

Subelement 5

Basic Electronics and Theory

Section 5-12

introduction to resonance, tuned circuits

5-12-01

Resonance is the condition that exists when:

Correct Answer
A.
inductive reactance and capacitive reactance are equal
B.
inductive reactance is the only opposition in the circuit
C.
the circuit contains no resistance
D.
resistance is equal to the reactance

5-12-01

This question does not yet have an explanation! Register to add one

Tags: none

5-12-02

Parallel tuned circuits offer:

A.
low impedance at resonance
B.
zero impedance at resonance
C.
an impedance equal to resistance of the circuit
Correct Answer
D.
very high impedance at resonance

5-12-02

This question does not yet have an explanation! Register to add one

Tags: none

5-12-03

Resonance is an electrical property used to describe:

A.
an inductor
B.
a set of parallel inductors
C.
the results of tuning a varicap (varactor)
Correct Answer
D.
the frequency characteristic of a coil and capacitor circuit

5-12-03

This question does not yet have an explanation! Register to add one

Tags: none

5-12-04

A tuned circuit is formed from two basic components. These are:

A.
resistors and transistors
B.
directors and reflectors
C.
diodes and transistors
Correct Answer
D.
inductors and capacitors

5-12-04

This question does not yet have an explanation! Register to add one

Tags: none

5-12-05

When a parallel coil-capacitor combination is supplied with AC of different frequencies, there will be one frequency where the impedance will be highest. This is the:

Correct Answer
A.
resonant frequency
B.
impedance frequency
C.
inductive frequency
D.
reactive frequency

5-12-05

This question does not yet have an explanation! Register to add one

Tags: none

5-12-06

In a parallel-resonant circuit at resonance, the circuit has a:

A.
low impedance
B.
low mutual inductance
C.
high mutual inductance
Correct Answer
D.
high impedance

5-12-06

This question does not yet have an explanation! Register to add one

Tags: none

5-12-07

In a series resonant circuit at resonance, the circuit has:

Correct Answer
A.
low impedance
B.
high impedance
C.
low mutual inductance
D.
high mutual inductance

5-12-07

This question does not yet have an explanation! Register to add one

Tags: none

5-12-08

A coil and an air-spaced capacitor are arranged to form a resonant circuit. The resonant frequency will remain the same if we:

A.
increase the area of plates in the capacitor
B.
replace the air dielectric with oil in the capacitor
C.
wind more turns on the coil
Correct Answer
D.
add a resistor to the circuit

5-12-08

This question does not yet have an explanation! Register to add one

Tags: none

5-12-09

Resonant circuits in a receiver are used to:

A.
filter direct current
Correct Answer
B.
select signal frequencies
C.
increase power
D.
adjust voltage levels

5-12-09

This question does not yet have an explanation! Register to add one

Tags: none

5-12-10

Resonance is the condition that exists when:

Correct Answer
A.
inductive reactance and capacitive reactance are equal and opposite in sign
B.
inductive reactance is the only opposition in the circuit
C.
the circuit contains no resistance
D.
resistance is equal to the reactance

5-12-10

This question does not yet have an explanation! Register to add one

Tags: none

5-12-11

When a series LCR circuit is tuned to the frequency of the source, the:

A.
line current lags the applied voltage
B.
line current leads the applied voltage
Correct Answer
C.
line current reaches maximum
D.
impedance is maximum

5-12-11

This question does not yet have an explanation! Register to add one

Tags: none

Log in

- or -

- or -