6A27 - The formula for determining the power in a DC circuit when the voltage and resistance are known is:

6A28 - The formula for finding power in a DC circuit when current and resistance are known:

6A29 - The formula for finding power in a DC circuit when current and voltage are known:

6A30 - The prefix " kilo " means:

6A31 - The prefix " micro " means:

6A32 - The factor by which the product of volts and amperes must be multiplied to obtain true power is:

6A33 - The prefix " meg " means:

6A34 - Factors which influence the resistance of a conductor:

6A35 - Halving the cross-sectional area of a conductor will:

6A36 - Name four conducting materials in order of their conductivity.

6A37 - Good insulators at radio frequencies are:

6A38 - A resistance across which a constant voltage is applied is doubled. What power dissipation will result?

6A39 - The needle of a magnetic compass when placed within a coil carrying an electric current:

6A40 - Electrical resistance is measured with:

6A41 - The sum of all voltage drops around a simple DC circuit, including the source, is:

6A42 - If a resistance to which a constant voltage is applied is halved, what power dissipation will result?

6A43 - The diameter of a conductor six inches long is doubled, what will be the effect on the resistance?

6A44 - A minute subdivision of matter having the smallest known unit of negative electrical charge is:

6A45 - Conductors differ from nonconductors, i.e.:

6A46 - Direction of flow of DC electricity in a conductor can be determined by:

6A47 - The difference between electrical power and electrical energy is:

6A48 - A positive temperature coefficient means:

6A49 - A liquid which is capable of conducting electricity, but undergoes decomposition while doing so is:

6A50 - The effective value of an RF current and the heating value of the current are:

6A51 - One horsepower is:

6A52 - What factors determine the heat generated in a conductor?

6A53 - What is the ratio of peak to average value of a sine wave?

6A54 - When the current sine wave in a circuit reaches its peak value before the voltage wave:

6A55 - An "harmonic" is:

6A56 - Assuming a power source to have a fixed value of internal impedance, maximum power will be transferred to the load when:

6A57 - When two sine waves of the same frequency do not reach their maximum or minimum values simultaneously:

6A58 - Which method may be used to obtain more than one value of voltage from a fixed DC source?

6A60 - Two 10 W, 500 ohm resistors in parallel will dissipate how many watts?

6A61 - A 20 ohm resistor with a current of 0.25 A passing through it will dissipate how many watts?

6A62 - If the voltage to a circuit is doubled and the resistance is increased to three times the original value, what will be the final current?

6A63 - If a vacuum tube with a filament rating of 0.25 A and 5 V is operated from a 6 volt battery, what value of resistor is necessary?

6A64 - The minimum power dissipation rating of a resistor of 20,000 ohms across a potential of 500 V should be:

6A65 - The total power dissipation capability of two 10 watt, 500 ohm resistors connected in series is:

6A67 - What is the maximum current carrying capacity of a resistor of 5000 ohms, 200 watts?

6A68 - What is the total resistance of a parallel circuit consisting of a 10 ohm branch and a 25 ohm branch?

6A69 - The current through two resistors in series is 3 A. Resistance #1 is 50 ohms, resistance #2 drops 50 V across its terminals. What is the total voltage?

Famine in which country triggered the Band Aid Charity?

6A70 - An 18 ohm and a 15 ohm resistor are connected in parallel; a 36 ohm resistor is connected in series with this combination; a 22 ohm resistor is connected in parallel with this total combination. The total current is 5 A. What current is flowing in the 15 ohm resistor?

6A71 - A circuit passes 3 A. The internal resistance of the source is 2 ohms. The total resistance is 50 ohms. What is the terminal voltage of the source?

6A72 - A relay coil has 500 ohms resistance, and operates on 125 mA. What value of resistance should be connected in series with it to operate from 110 VDC?

6A73 - Given: Input power to a receiver is 75 watts. How much power does the receiver consume in 24 hours of continuous operation?

6A74 - The total reactance when two capacitances of equal value are connected in series is:

6A75 - A capacitor's charge is stored:

6A76 - The voltage drop across an individual capacitor of a group of capacitors connected in series across an AC source is:

6A77 - What is the total capacitance of the capacitors of 3, 5, and 7 microfarad connected in series?