In order to get maximum power transfer from a capacitive source, the load must?

A.have a capacitive reactance equal to circuit resistance

B.have an impedance that is the complex conjugate of the source impedance

C.be as capacitive as it is inductive

D.none of the above

1 Answer

Answer :

In order to get maximum power transfer from a capacitive source, the load must?

A.have a capacitive reactance equal to circuit resistance

B.have an impedance that is the complex conjugate of the source impedance

C.be as capacitive as it is inductive

D.none of the above

Related questions

Description : The turns ratio required to match an 80 ohms source to a 320 ohms load is? A.80 B.20 C.4 D.2

Last Answer : c

Description : What condition gives maximum power transfer from the source to the load?

Last Answer : When the load resistance equals the source resistance.

Description : Transmission line must be matched to the load to A. transfer maximum voltage to the load B. transfer maximum current to the load C. reduce the load current D. transfer maximum power to the load

Last Answer : D. transfer maximum power to the load

Description : What is the power factor in pure resistive , capacitive , inductive load ?

Last Answer : Answer : Power factor cosΦ = 1 in pure resistive load, cosΦ = 0 in capacitive load , cosΦ = 0 in inductive load .

Description : A constant load power means a uniform conversion of? A.mechanical to electrical energy B.electrical to mechanical energy C.current to voltage D.voltage to current

Last Answer : A constant load power means a uniform conversion of? A.mechanical to electrical energy B.electrical to mechanical energy C.current to voltage D.voltage to current

Last Answer : yes Load Charge Savings By Or Power Factor Of The value Increases Him Capacitive Load Says Capacitive Load That Current Flowing Is So Capacitive Current.

Description : Transmission lines when connected to antenna have A. capacitive load B. resistive load whose resistance is less than characteristics impedance C. resistive load at the resonant frequency D. resistive load whose resistance is greater than the characteristic impedance of the line

Last Answer : C. resistive load at the resonant frequency

Description : In series RLC circuit at resonant a) Voltage is in phase with current b) Current is maximum c) Inductive reactance = Capacitive reactance d) All of the above

Last Answer : Ans: All of the above

Description : Known as the technique for adding a series inductor at or near the center of an antenna element in order to cancel the capacitive reactance of an antenna. A. Dipole B. Center loading C. Reflector D. loading coil

Last Answer : D. loading coil

Description : In order to reduce the voltage surges due to current chopping and capacitive current breaking, we connect (A) A resistor across the CB contacts. (B) A capacitor across the CB contacts. (C) An inductor across the CB contacts. (D) A switch across the CB contacts

Last Answer : In order to reduce the voltage surges due to current chopping and capacitive current breaking, we connect A resistor across the CB contacts.

Description : Sparking occurs when a load is switched off because the circuit has high?

Last Answer : Sparking occurs when a load is switched off because the circuit has high inductance.

Description : In a lamp load when more than one lamp are switched on the total resistance of the load?

Last Answer : In a lamp load when more than one lamp are switched on the total resistance of the load decreases.

Description : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

Last Answer : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

Description : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Last Answer : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Description : A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately? A.15.1 μA B.151 μA C.66 mA D.660 mA

Last Answer : A

Description : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Last Answer : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Description : Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k ohms of resistance? A.27.2 mA B.59 mA C.5.9 mA D.590 mA

Last Answer : Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k ohms of resistance? A.27.2 mA B.59 mA C.5.9 mA D.590 mA

Description : An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately? A.385 ohms B.38.5ohms C.3.1 ohms D.31 ohms

Last Answer : 31ohns

Description : When measuring AC current flow, you must always connect the meter _____________. A. in series with the power source and load B. in parallel with the power source and load C. insuring correct polarity D. using the lowest range possible to prevent instrument damage

Last Answer : Answer: A

Description : A matched termination in which the electromagnetic energy is absorbed by water. A. Maximum power transfer B. Load C. Load water D. Basin

Last Answer : C. Load water

Description : When maximum power transfer to load is a) 20 W b) 50 W c) 100W d) 0W

Last Answer : Ans: 0W

Description : For AC networks, as per maximum power transfer theorem, for maximum power transfer, the source impedance should be equal to: A) twice the load impedance B) complex conjugate of load impedance C) twice the complex conjugate of load impedance D) none of these 

Last Answer :  For AC networks, as per maximum power transfer theorem, for maximum power transfer, the source impedance should be equal to: complex conjugate of load impedance

Description : For maximum transfer of power, internal resistance of the source should be?

Last Answer : For maximum transfer of power, internal resistance of the source should be equal to load resistance.

Description : Decreasing the frequency in a capacitive circuit while maintaining a constant circuit voltage, will result in a/an _____________. A. increase in apparent power B. decrease in circuit current C. decrease in capacitive reactance D. decrease in total impedance

Last Answer : Answer: B

Description : A series combination of resistance 100 ohm and capacitance 50µf is connected in series to a 230 V, 50HZ supply. Calculate (i) Capacitive reactance (ii) Current (iii) Power factor (iv) Power consumed 

Last Answer : For RC series circuit

Description : When a source is delivering maximum power to a load, the efficiency of the circuit is always (a) 50% (b) 75% (c) 100% (d) Depends on the circuit parameters

Last Answer : When a source is delivering maximum power to a load, the efficiency of the circuit is always 50%

Description : Pick up the correct statement from the following: (A) Isolated footing is provided under column to transfer the load safely to soil bed (B) Column footings may have steps or projections in the ... ) Heavily loaded column base must be provided steel reinforcement in both directions (D) All the above

Last Answer : Option D

Description : Which of the following is/are true concerning electric power operated watertight door systems? A. Each motor driven door must use the main bus as its source of power. B. Each distribution panel for ... to permit quick activation of the system. D. Each system must have a separate branch circuit.

Last Answer : Answer: D

Description : An ideal power supply consist of   (A) Very small output resistance (B) Zero Internal resistance (C) Very large input resistance (D) Very large output resistance

Last Answer : An ideal power supply consist of Zero Internal resistance 

Description : If it takes 400 ms to use 12,000 J of energy, the power is? A.30 kW B.30 W C.3 W D.300 kW

Last Answer : If it takes 400 ms to use 12,000 J of energy, the power is? A.30 kW B.30 W C.3 W D.300 kW

Description : If you used 600 W of power for 60 h, you have used? A.36 kWh B.3.6 kWh C.10 kWh D.1 kWh

Last Answer : If you used 600 W of power for 60 h, you have used? A.36 kWh B.3.6 kWh C.10 kWh D.1 kWh

Description : Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open?

Last Answer : Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open the other two bulbs will light.

Description : Can I use a WACOM stylus with any capacitive touchscreen tablet?

Last Answer : answer:As far as just tablets go, the HTC Flyer has this feature – I don’t think it’s as well implemented as it is on the actual Wacom tablets, but at the moment it’s the closest to what you describe. The other thing to consider is a Tablet-PC, although in my experience these are clunky as hell.

Description : What is the expression of capacitive reactance ?

Last Answer : Capacitive reactance = XC

Description : What is the capacitive resistance of a 0.04 microfarad capacitor in ac circuit that has a frequency of 1000 hz?

Last Answer : The capacitive reactance is approximately 4 kΩ .

Description : The electrical diagram shown in the illustration is used to depict a/an ____________. EL-0015 A. resistance circuit B. inductive circuit C. stepdown circuit D. capacitive circuit

Last Answer : Answer: D

Description : An AC circuit has a capacitive reactance of 30 ohms in addition to an inductive reactance of 40 ohms connected in series. What is the reactance of the circuit? A. 8.37 ohms B. 10.00 ohms C. 50.00 ohms D. 70.00 ohms

Last Answer : Answer: B

Description : In preparing to take insulation resistance readings on a main generator, the windings should be grounded for about 15 minutes prior to the test to _____________. A. allow accurate zeroing of the meter ... the windings D. help the windings to cool to the same temperature as the ground test connection

Last Answer : Answer: C

Description : The insulation of electric generators during short idle periods should be _____________. A. allowed to cool slowly to ambient temperatures B. flashed with direct current to remove any residual ... using strip or space heaters D. relieved of all capacitive charge by grounding the conductors

Last Answer : Answer: C

Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.

Last Answer : Answer: C

Description : Discharge switches are often located on hand-driven meggers. The purpose of these switches is to discharge capacitive charges stored in the _____________. A. megger hand generator B. megger movement coils C. tested equipment while conducting test D. tested equipment after testing

Last Answer : Answer: D

Description : Voltage will always lead current in a/an ______________. A. capacitive circuit B. inductive circuit C. magnetic circuit D. resistive circuit

Last Answer : Answer: B

Description : An AC circuit has capacitance arranged in series. If the line voltage remains constant, the capacitive reactance value can be varied by changing the _____________. A. line frequency B. resistance C. number of commutating poles D. number of interpoles

Last Answer : Answer: A

Description : When using an ohmmeter to test a semiconductor diode, you find a low resistance in both the forward and reverse bias directions. This indicates that the diode has a/an ____________. A. open B. short C. good resistive quality D. good capacitive quality

Last Answer : Answer: B

Description : The component labeled 'CR1' in the circuit shown in the illustration __________________. EL-0085 A. varies its anode/cathode polarity depending on 'RL' current B. rectifies the varying voltage from the ... reactance to smooth ripple D. establishes a constant reference voltage for the base of 'Q1'

Last Answer : Answer: D

Description : The horizontal line which cuts across 'L1' shown in figure 'A' of the illustration indicates a/an ______________. EL-0091 A. iron core B. saturable core C. air gap D. capacitive coupling

Last Answer : Answer: B

Description : The combined effect of inductive reactance, capacitive reactance, and resistance in an AC series circuit is known as _____________. A. reactance B. total reactance C. impedance D. resonance

Last Answer : Answer: C

Description : The ratio of the effective value of the counter EMF in volts, to the effective value of the current in amperes is called _____________. A. impedance factor B. capacitive reactance C. inductive reactance D. root mean square

Last Answer : Answer: C

Description : AC circuits possess characteristics of resistance, inductance, and capacitance. The capacitive reactance of a circuit is expressed in _____________. A. ohms B. mhos C. henrys D. farads

Last Answer : Answer: A

Description : Noise that occurs via capacitive or inductive coupling in a cable. A. Crosstalk B. Quantizing noise C. Reference noise D. Tone interference

Last Answer : A. Crosstalk