ELE quiz #3
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