Physics Current Electricity Level: Misc Level
If the resistance arms of a Wheatstone bridge are R 1 = 10 ohms, R 2 = 1000 ohms and the rheostat arm has a resistance of R 3 = 500 ohms, the unknown resistance R will be?
.0013, 5 ohms, 50 ohms, or 1.67 ohms.
Physics Current Electricity Level: Misc Level
What is the total resistance of a parallel circuit that has three branches with resistance of 2 ohms, 2.5 ohms,, and 4 ohms?
8.5 ohms, 1.15 ohms, 2.83 ohms, 0.87 ohm
Physics Current Electricity Level: Misc Level
Four resistors in a series circuit are as follows r 1 = 15 ohms, r 2 = 30 ohms, r 3 = 45 ohms, r 4 = 60 ohms. What a voltage of 220 volts across the terminals of the electromotive force, the current in the circuit will be?. 368 amp, 1.47 amps, .682 amp, 5.87 amps
Physics Current Electricity Level: Misc Level
In semiconductors the movement of electrons is governed by the movement between ?
Cathodes, plates, holes, transistors
Physics Current Electricity Level: Misc Level
In your manufacturing company you have 10 lights that have a voltage across them of 200 volts,and the total current used by the lamps is 30 amps. At $ 1. 40 per kwhr, what is the cost of operating the lights for 12hours?
280, 175.6, 100.8, 56.2
Physics Current Electricity Level: Misc Level
The voltage across a number of electrical units is 230 volts and the current used is 35 amps.If it costs. 025 per kWhr to operate these units, what will it cost to operate them for a 16 hours?
092, 20, 3.22, 6.44
Physics Current Electricity Level: Misc Level
The power input required by a dc electric motor that is run on a 220 volt line and draws 10 amps is ?
22 watts, 220 watts, 2200 watts, 22,000 watts.
Physics Current Electricity Level: Misc Level
When the lead storage battery is in use,
Lead peroxide is formed on the positive plate, spongy lead is formed on the negative plate, lead sulfate is formed on the negative plate or the specific gravity of the acid increases.
Physics Current Electricity Level: Misc Level
Which of the following is produced at the negative of the hydrogen -oxygen fuel cell?
Water, carbon dioxide, oxygen, carbon monoxide.
Physics Current Electricity Level: Misc Level
The direction of actual electron movement in an electric circuit is ?
From positive to negative, changed according to Ohms law, governed by the resistance of the conductor, or from negative to positive.
Physics Current Electricity Level: Misc Level
A coil has a resistance R= 2.00 ohms and an inductance of 0.325 H.Determine the current in the coil if 120 V dc is applied to it.
Physics Current Electricity Level: Misc Level
Three 40 ohm light bulbs and three 70 ohm light bulbs are connected in series. what is the total resistence for the circuit?
Physics Current Electricity Level: Misc Level
Two 120 ohm resisters are connected in parallel to a 24.0 V battery. what is the equivlent resistence for the circuit?
Physics Current Electricity Level: University
MeasurementWrite nodal equation for the networks and is symmetry present.
Question Diagram
Physics Current Electricity Level: University
MeasurementApply nooal analysis to the network.
Question Diagram
