Electrical Engineering Questions
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A fully charged lead-acid battery will not freeze until extremely low temperatures are reached because
A lead-acid battery with 12 cellsconnected in series(no-load voltage2.1 volts per cell) furnishes 10amperes toaload of2-ohmsresistance.The internal resistanceof the battery in this instance is
Find the totalcurrent flowing in the wire betweenpoints C and D.
A cabin entry light of 10 watts and a dome light of 20 watts are connected in parallel to a 30-volt source. If the voltage across the 10-watt light is measured, it will be
If resistor R(5) is disconnected at the junction of R(4) and R(3) as shown, what will the ohmmeter read?
If resistorR(3) is disconnected at terminal D,what will the ohmmeter read?
In a P-N-P transistor application,the solid-state device is turned onwhen the
The presence of any small amount of potassium carbonate deposits on the top of nickel-cadmium battery cells in service is an indication of
What determines the amount ofcurrent which will flow through abattery while it is being charged bya constant voltage source?
The voltage drop in a circuit of known resistance is dependent on
Diodes are used in electrical powersupply circuits primarily as
How many amperes will a 28-volt generator be required to supply to a circuit containing five lamps in parallel, three of which have a resistance of 6 ohms each and two of which have a resistance of 5 ohms each?
What is the total capacitance of a circuit containing three capacitors in parallel with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?
Which of the following are commonlyused asa rectifier in electricalcircuits?
What does the letterQsymbolizewhen measuring electrical charge?
What is theimpedanceof an ac-seriescircuitconsisting of an inductor with areactance of 10 ohms,acapacitorwith a reactance of 4ohms, and aresistor with a resistance of8ohms?
Find thevoltage across the 8-ohm resistor.
Under whichcondition will aground be providedfor the warning horn through bothgear switches when the throttles areclosed?
Through which material will magneticlines of force pass the mostreadily?
What unit is used to expresselectrical power?