Category: Circuit Components - Canada Radio Amateur Quiz License

Questions in this category:

B-004-001-001: A circuit designed to increase the level of its input signal is called:
B-004-001-002: If an amplifier becomes non-linear, the output signal would:
B-004-001-003: To increase the level of very weak radio signals from an antenna, you would use:
B-004-001-004: To increase the level of very weak signals from a microphone you would use:
B-004-001-005: The range of frequencies to be amplified by a speech amplifier is typically:
B-004-001-006: Which of the following is not amplified by an amplifier?
B-004-001-007: The increase in signal level by an amplifier is called:
B-004-001-008: A device with gain has the property of:
B-004-001-009: A device labelled ""Gain = 10 dB"" is likely to be an:
B-004-001-010: Amplifiers can amplify:
B-004-001-011: Which of the following is not a property of an amplifier?
B-004-002-001: Zener diodes are used as:
B-004-002-002: One important application for diodes is recovering information from transmitted signals. This is referred to as:
B-004-002-003: The primary purpose of a Zener diode is to:
B-004-002-004: The action of changing alternating current to direct current is called:
B-004-002-005: The electrodes of a semiconductor diode are known as:
B-004-002-006: If alternating current is applied to the anode of a diode, what would you expect to see at the cathode?
B-004-002-007: In a semiconductor diode, electrons flow from:
B-004-002-008: What semiconductor device glows different colours, depending upon its chemical composition?
B-004-002-009: Voltage regulation is the principal application of the:
B-004-002-010: In order for a diode to conduct, it must be:
B-004-003-001: Which component can amplify a small signal using low voltages?
B-004-003-002: The basic semiconductor amplifying device is the:
B-004-003-003: The three leads from a PNP transistor are named:
B-004-003-004: If a low level signal is placed at the input to a transistor, a higher level of signal is produced at the output lead. This effect is known as:
B-004-003-005: Bipolar transistors usually have:
B-004-003-006: A semiconductor is described as a ""general purpose audio NPN device"". This would be:
B-004-003-007: The two basic types of bipolar transistors are:
B-004-003-008: A transistor can be destroyed in a circuit by:
B-004-003-009: In a bipolar transistor, the _____________compares closest to the control grid of a triode vacuum tube.
B-004-003-010: In a bipolar transistor, the _____________compares closest to the plate of a triode vacuum tube.
B-004-003-011: In a bipolar transistor, the _____________ compares closest to the cathode of a triode vacuum tube.
B-004-004-001: The two basic types of field effect transistors (FET) are:
B-004-004-002: A semiconductor having its leads labelled gate, drain, and source is best described as a:
B-004-004-003: In a field effect transistor, the ___________ is the terminal that controls the conductance of the channel.
B-004-004-004: In a field effect transistor, the ___________is the terminal where the charge carriers enter the channel.
B-004-004-005: In a field effect transistor, the __________ is the terminal where the charge carriers leave the channel.
B-004-004-006: Which semiconductor device has characteristics most similar to a triode vacuum tube?
B-004-004-007: The control element in the field effect transistor is the:
B-004-004-008: If you wish to reduce the current flowing in a field effect transistor, you could:
B-004-004-009: The source of a field effect transistor corresponds to the _______ of a bipolar transistor.
B-004-004-010: The drain of a field effect transistor corresponds to the _______ of a bipolar transistor.
B-004-004-011: Which two elements in a field effect transistor exhibit fairly similar characteristics?
B-004-005-001: What is one reason a triode vacuum tube might be used instead of a transistor in a circuit?
B-004-005-002: Which component can amplify a small signal but must use high voltages?
B-004-005-003: A feature common to triode tubes and transistors is that both:
B-004-005-004: In a vacuum tube, the electrode that is operated with the highest positive potential is the _________.
B-004-005-005: In a vacuum tube, the electrode that is usually a cylinder of wire mesh is the _______.
B-004-005-006: In a vacuum tube, the element that is furthest away from the plate is the __________.
B-004-005-007: In a vacuum tube, the electrode that emits electrons is the __________.
B-004-005-008: What is inside the envelope of a triode tube?
B-004-005-009: How many grids are there in a triode vacuum tube?
B-004-006-001: How do you find a resistor's tolerance rating?
B-004-006-002: What do the first three-colour bands on a resistor indicate?
B-004-006-003: What would the fourth colour band on a 47 ohm resistor indicate?
B-004-006-004: What are the possible values of a 100 ohm resistor with a 10% tolerance?
B-004-006-005: How do you find a resistor's value?
B-004-006-006: A club project requires that a resistive voltage divider provide a very accurate and predictable ratio. Out of the list below, which resistor tolerance would you select?
B-004-006-007: You need a current limiting resistor for a light-emitting diode (LED). The actual resistance is not critical at all. Out of the list below, which resistor tolerance would you select?
B-004-006-008: If a carbon resistor's temperature is increased, what will happen to the resistance?
B-004-006-009: A gold tolerance band on a resistor indicates the tolerance is:
B-004-006-010: Which colour band would differentiate a 120-ohm from a 1200-ohm resistor?
B-004-006-011: Given that red=2, violet=7 and yellow=4, what is the nominal value of a resistor whose colour code reads ""red""