Description : What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?
Last Answer : Frequency stability.
Description : What is the primary advantage of the shielded pair?
Last Answer : The conductors are balanced to ground.
Description : What is the primary advantage of bulk-effect devices over normal pn-junction semiconductors?
Last Answer : Larger microwave power outputs.
Description : What is the primary advantage of a ratio detector?
Last Answer : Suppresses amplitude noise without limiter stages.
Description : What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?
Last Answer : The electrodynamometer-type meter can be used to measure both ac and dc currents.
Description : What is the primary advantage of using a current probe?
Last Answer : Current probes enable you to perform current measurements without disconnecting wires. Current probes are clamped around the insulated wire.
Description : . What is the primary advantage of an fsk transmission system?
Last Answer : Resistance to noise interference.
Description : What is the primary advantage of pulse-modulation systems?
Last Answer : . Low susceptibility to noise.
Description : Name a common application of counting circuits.
Last Answer : Frequency counters or frequency dividers.
Description : How many tuned parallel LC circuits are shown in this schematic?
Last Answer : Four.
Description : What is the major factor that limits the high-frequency response of an amplifier circuits?
Last Answer : The capacitance of the circuit.
Description : List the circuits that all oscilloscopes have in common.
Last Answer : A CRT, a group of control circuits, power supply, sweep circuitry, and deflection circuitry.
Description : Circuits that can be interconnected without additional circuitry are known as ____________ circuits.
Last Answer : Compatible.
Description : Circuits which maintain constant voltage or current outputs are called dc voltage or dc current ___.
Last Answer : Regulators.
Description : Why is the use of large value capacitors in filter circuits discouraged?
Last Answer : Expense
Description : Which of the basic timing circuits produces sharp trigger pulses directly?
Last Answer : Blocking oscillators.
Description : What basic circuits meet the requirements of an externally synchronized master oscillator?
Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.
Description : The actions of the tr and atr circuits depend on the impedance characteristics of what length of transmission line?
Last Answer : Quarter-wavelength section
Description : What is the purpose of the majority of circuits in a radar system?
Last Answer : Timing and control.
Description : What do the smaller circuits in third generation computers allow for?
Last Answer : Faster internal processing speeds.
Description : When designing vacuum-tube circuits, what characteristics of tubes must be taken into consideration?
Last Answer : Differences in performance of tubes of the same type
Description : Name the two series circuits that exist in a diode circuit.
Last Answer : Filament and plate.
Description : When are two circuits said to be coupled?
Last Answer : When they are arranged so that energy from one circuit is transferred to the other circuit
Description : Boolean algebra is used primarily by _______ to simplify circuits.
Last Answer : Design engineers.
Description : With regard to computer logic circuits, what is meant by "complement?"
Last Answer : The opposite of the original statement.
Description : The total power in both series and parallel circuits is computed with the formula: PT = P1 + P2 + P3 +...Pn. Why can this formula be used for both series and parallel circuits?
Last Answer : In both cases all the power used in the circuit must come from the source.
Description : How are circuits protections devices connected to the circuit they are intended to protect and why are they connected in this way?
Last Answer : In series, so total current will be stopped when the device opens.
Description : What area of an ohmmeter scale should be used when measuring circuits?
Last Answer : The middle of the scale.
Description : What is the great advantage of using parallel circuits in the home?
Last Answer : Ans: Electrical devices can be connected to the parallel circuit in homes at any point.
Description : The advantage of cables over overhead transmission lines is (a) easy maintenance (b) low cost (c) can be used in congested areas (d) can be used in high voltage circuits
Last Answer : (c) can be used in congested areas
Description : Hybrid rings are used primarily for what purpose?
Last Answer : High-power duplexes.
Description : What type of junctions are formed where the arms of a hybrid ring meet the main ring?
Last Answer : Basic E-type junctions.
Description : To propagate energy down an arm of a hybrid ring duplexer, the two fields at the junction of the arm and the ring must have what phase relationship?
Last Answer : 180 degrees out of phase
Description : What is a hybrid IC?
Last Answer : Combination of monolithic and film elements.
Description : What type of substrates is used for film and hybrid ICs?
Last Answer : Glass or ceramic
Last Answer : Combination of monolithic ICs and film components.
Description : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.
Last Answer : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed ... false D. If both assertion and reason are false
Description : Is there really a cost advantage in buying a hybrid car?
Last Answer : You can certainly save in the cost of gasoline with a hybrid. You have to weigh potential fuel savings against the higher initial cost of the hybrid.
Description : Which of the following is not an advantage of hybrid vehicles. 1) Environmentally friendly. 2) Initial cost is low. 3) Better mileage. 4) Higher energy conservation.
Last Answer : 2) Initial cost is low.
Description : 21.The ordinary two winding transformer's primary and secondary windings always have A. different no of turns B. same size of copper wire C. a common magnetic circuit D. separate magnetic circuits
Last Answer : C. A common magnetic circuit
Description : What is an advantage of using a resistance soldering iron when soldering wire to a connector?
Last Answer : The soldering tips are hot only during the brief period of soldering the connection, thus minimizing the chance of burning the wire insulation or connector inserts.
Description : What is a major advantage of the crimped terminal over the soldered terminal?
Last Answer : Requires relatively little operator skill to install.
Description : What advantage does a half adder have over a quarter adder?
Last Answer : The half adder generates a carry.
Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Description : What is the advantage of designing a limited bandwidth into a servo amplifier?
Last Answer : Unwanted noise-generated frequencies are rejected