Fund. of Electricity Figures

(Refer to Figure 1.) When different rated capacitors are connected in series in a circuit, the total capacitance is

Less than capacitance of the lowest rated capicator

(Refer to Figure 2.) What is the total capacitance of a circuit containing three capacitors with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?

0.125uF

(Refer to Figure 3.) When more than two inductors of different inductances are connected in parallel in a circuit, the total inductance is

Less than the inductance of the lowest rated inductor

(Refer to Figure 5.) What is the impedance of an ac-series circuit consisting of an inductor with a reactance of 10 ohms, a capacitor with a reactance of 4 ohms, and a resistor with a resistance of 8 ohms?

10 Ohms

(Refer to Figure 9.) How many instruments (voltmeters and ammeters) are installed correctly?

Two

(Refer to Figure 10.) What is the measured voltage of the series-parallel circuit between terminals A and B?

3 Voltz

(Refer to Figure 11.) Find the voltage across the 8-ohm resistor.

24 Voltz

(Refer to Figure 22.) Which illustration is correct concerning bias application and current (positive charge) flow?

1

(Refer to Figure 11.) Find the total current flowing in the wire between points C and D.

3 Amps

(Refer to Figure 13.) Determine the total current flow in the circuit.

1.4 amps

(Refer to Figure 64.) A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of two resistors of equal value. What is the value of each resistor?
(Note: R(t) = E^2/P)

24 ohms

(Refer to Figure 12.) Find the total resistance of the circuit.

21.2 Ohms

(Refer to Figure 14.) The total resistance of the circuit is

17 Ohms

(Refer to Figure 64.) A 48-volt source is required to furnish 192 watts to a parallel circuit consisting of three resistors of equal value. What is the value of each resistor?

36 Ohms

(Refer to Figure 6.) If resistor R(5) is disconnected at the junction of R(4) and R(3) as shown, what will the ohmmeter read?

3 Ohms

(Refer to Figure 7.) If resistor R(3) is disconnected at terminal D, what will the ohmmeter read?

Inf Resis

(Refer to Figure 8.) With an ohmmeter connected into the circuit as shown, what will the ohmmeter read?

10 Ohms

(Refer to Figure 4.) How much power is being furnished to the circuit?

2,645 Watts

(Refer to Figure 24.) Which statement concerning the depicted logic gate is true?

ANY INPUT 1 = 1 OUTPUT

(Refer to Figure 25.) In a functional and operating circuit, the depicted logic gate's output will be 0

When one or more inputs are 0

(Refer to Figure 26.) Which of the logic gate output conditions is correct with respect to the given inputs?

2

(Refer to Figure 15.) Wire 7 is used to

PUSH-TO-TEST

(Refer to Figure 15.) When the landing gear is down, the green light will not come on if an open occurs in wire

6

(Refer to Figure 16.) What will be the effect if the PCO relay fails to operate when the left-hand tank is selected?

open light will NOT illuminate

(Refer to Figure 16.) The TCO relay will operate if 24-volts DC is applied to the bus and the fuel tank selector is in the

crossfeed

(Refer to Figure 16.) When electrical power is applied to the bus, which relays are energized?

PCC/TCC

(Refer to Figure 16.) Energize the circuit with the fuel tank selector switch selected to the left-hand position. Using the schematic, identify the switches that will change position.

5,6,11,12,13,15, and 16

(Refer to Figure 17.) Which of the components is a potentiometer?

3

(Refer to Figure 17.) The electrical symbol represented at number 5 is a variable

Capacitor

(Refer to Figure 18.) When the landing gear is up and the throttles are retarded, the warning horn will not sound if an open occurs in wire

4

(Refer to Figure 18.) The control valve switch must be placed in the neutral position when the landing gear is down to

Prevent warning horn from sounding

(Refer to Figure 19.) Under which condition will a ground be provided for the warning horn through both gear switches when the throttles are closed?

Left up , Right down

(Refer to Figure 19.) When the throttles are retarded with only the right gear down, the warning horn will not sound if an open occurs in wire

5

(Refer to Figure 19.) When the landing gears are up and the throttles are retarded, the warning horn will not sound if an open occurs in wire

6

(Refer to Figure 23.) If an open occurs at R(1), the light

Can't be turned off

(Refer to Figure 23.) If R(2) sticks in the up position, the light will

be on full bright

(Refer to Figure 15.) With the landing gear retracted, the red indicator light will not come on if an open occurs in wire

19