ELE100 Final

Assume that resistor R4 has a current flow of 0.06A. What is the total amount of current flow in this circuit? _______A

0.06 A

980 microvolts =

0.980 millivolts

Determine the value and tolerance of resistors coded as shown. State the values in prefixes. (a.) brown black brown none VALUE =

100, 20

For the circuit, the resistance, current, and power is: Express in ohms watts amps. use no metric

1200 ohms, .12 watts, .01 amps

Determine the value and tolerance of resistor coded as shown . State the values in prefixes. (a.) brown blue yellow gold VALUE =

160 k, 5

2 x 10-3 Amp =

2 Milliamps

What is the total resistance of the circuit shown in figure 1? _______ ohms

250 ohms

3.9 k ohms =

3.9 X 103 ohms

Assume that a voltage of 15V is dropped across resistor R1. How much voltage is dropped across resistor R4? ________ V

31.2 V

Determine the value and tolerance of resistors coded as shown. State the values in prefixes. (a.) orange white black silver VALUE =

39, 10

Assume that resistor R2 has a current flow of 0.25A. What is the voltage drop across resistor R3? _______ V

40 V

Solve the following: a. V = 100 V, I = 2 A , R = _______________ohms. b. V = 50 V, R = 1000 ohms , I = ______________A. c. I = 0.5 A , R = 50 ohms , V = ______________V. d. V = 10 V , I = 1mA , R = _______________ohms. e. I = 20mA , R = 5 k ohms , V = ______________V. f. V = 250 V , R = 2.2 k ohms , I = ______________A. g. P = 10 W , I = 2 A , V = _______________V. h. V = 10 V , P = 10 W , R = ______________ohms. i. 10mA , R = 500 ohms , P = ______________W. j. 500 W , V = 250 V , I = _____________A.

a. 50, b. 0.05, c. 25, d. 10,000, e. 100, f. 0.114, g. 5, h. 10, i. 0.05, j. 2

List the color codes for the following resistor. If no tolerance is stated assume 20%.

brown, black, green, gold

Match what we know about current, voltage, resistance and power in a series circuit.

current: is the same at any point in circuit, resistance: adds voltage: drops equal source power: adds

Match what we know about current, voltage, resistance and power in a parallel circuit.

current: total is sum of all branches voltage: same as source across resistance: is less that the smallest power: adds

To measure current with an ammeter, connect the ammeter:

in the current path

For the following circuit, which is the correct answer?

n/a

A voltmeter is placed in ________with the circuit under test.

parallel

When measuring resistance the _________ must be disconnected from the circuit.

power

List the color codes for the following resistor. If no tolerance is stated assume 20%. (a.) 2500 ohm

red, green, red, none

List the four best electrical conductors in order of conductance.

silver, copper, gold, aluminum

List the color codes for the following resistor. If no tolerance is stated assume 20%. (a.) 470 k ohm 10%

yellow, violet, yellow, silver