100 pts will be given asappp
in a circuit, what do light bulbs and a toaster represent? <...
Physics, 28.01.2020 07:31 choiboiqg8443
100 pts will be given asappp
in a circuit, what do light bulbs and a toaster represent?
question 1 options:
resistance
current
potential difference (voltage)
power
question 2 (1 point)
saved
the purpose of a cell (battery) is to:
question 2 options:
store chemical energy only when a circuit is connected.
store chemical energy and transfer it to thermal energy when a circuit is connected.
store chemical energy and transfer it to electrical energy when a circuit is connected.
release chemical energy and absorb thermal energy when a circuit is connected.
question 3 (1 point)
saved
the flow of electrons through wires and components is known as:
question 3 options:
particle current
static electricity
electric current
positive current
question 4 (1 point)
saved
the two main types of circuits are:
question 4 options:
series and parallel
parallel and current
series and current
series and component
question 5 (1 point)
saved
the following symbol is used to represent in a circuit diagram.
question 5 options:
switch
cell (battery)
lamp
wires
question 6 (1 point)
the type of circuit in which there is only one path for an electric current to flow is known as a circuit.
question 6 options:
component
series
parallel
light
question 7 (1 point)
which type of circuit would allow an electric current to continue to flow even if a single path is broken?
question 7 options:
series
parallel
open
box
question 8 (1 point)
which diagram is an example of a series circuit?
q6
question 8 options:
diagram a
diagram b
neither
question 9 (1 point)
four 3 ω resistors placed in series would provide a resistance that is equivalent to one ω resistor.
question 9 options:
3
6
9
12
question 10 (1 point)
the purpose of fuses and circuit breakers is to
question 10 options:
protect equipment by allowing more electric current through.
protect equipment by stopping the flow of electric current; protect your house from fire.
cause damage to equipment by stopping the flow of electric current
cause damage to equipment by allowing more electric current through.
question 11 (1 point)
choose all statements that are true about a gfci outlet.
question 11 options:
gfci outlets are found in dry areas.
gfci outlets are found in wet areas.
gfci outlets prevent electrocution if you are touching a wet appliance.
gfci outlets prevent house fires.
Answers: 1
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
Answers: 1
Physics, 22.06.2019 07:10
1. how much energy is needed to raise the temperature of 40.0 g of argon from 25c to 40c? the specific heat capacity of argon is 0.520 j/(g·k) 2a. 23.0 ml of 0.100 m hcl (standard) are added from a buret to neutralize 50.0 ml of an unknown basic solution. 2b. if the oh- produced in the previous reaction came from ca(oh)2, then what is the molarity of the ca(oh)2? 3.calculate the new freezing-point of a solution when 60.5 grams of cacl2 solute is dissolved in 0.612 kg of water. 4. what is the maximum number of moles of alcl3 that can be produced from 5.0 mol al and 6.0 mol cl2? 5. a sample of oxygen gas has a volume of 150 ml when its pressure is 0.923 atm. if the pressure is increased to 0.987 atm and the temperature remains constant, what will the new volume be? 6. nitrogen gas in a closed container at a temperature of 100.0 oc and 3.0 atm is heated to 300 oc. what is the pressure of the gas at the higher temperature?
Answers: 3
Physics, 22.06.2019 11:10
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
Physics, 22.06.2019 16:20
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
Answers: 2
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