ELE quiz #3

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Electrical companies base their bills on a unit called

Kilowatt hour

if one bulb goes off in a series circuit, will only one light go out or all of them

all of them

if continuity test doesn't light up, the fuse is

broken

Unit of power is

Watts

voltage sources cannot be added in series if they equal values and same polarities

false

if the voltage in an electrical circuit containing a lightbulb is increased, what happens to the brightness of the bulb

increases

if you measured your body resistance while your palms were damp, your ohmmeter would get a ___ reading than if measured with your palms dry.

lower

do resistors connected in series share the same current true or false

true

it takes less than 1 amp to kill you if it travels through your heart

true

a voltmeter is used to measure

voltage

a series circuit containing resistors of different voltages from a single source of energy is called a ____

voltage divider

unit of voltage is

volts

total resistance of 20 Ohms, 20 Ohms, 40 Ohms is

80 ohms

milliamps is how much of an amp

1/1000th

if 5 V and 16 V power supplies are connected in series-opposing, what is the total voltage?

11 V

determine the amount of power absorbed in a circuit if a 6 V battery is used and a 3A of current is flowing in the circuit

18 watts

what is the voltage drop across each resistor in the circuit of 12 V, 1 Ohm, 2 Ohm, 3 Ohm.

2 V, 4 V, 6V

current through 100 Ohms and 0.15A. what is the power bing absorbed by a resistor

2.25 watts

2.15 A is how many milliamps

2150 mA

3000 ohms across a 9volt battery

27 mW

how much current flows in a circuit with a 18-volt battery and six 1 ohm resistors

3 A

Unit of energy is

Joules

a voltmeter is always connected in ____ with the other components in an electrical circuit

Parallel

an ammeter is always connected in ___ with the other components in an electrical circuit

series


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