Fill in the blank
Which one of the following is the correct option for fill in the blank: Voltage, Resistance, Current
__________ is a difference in electric potential energy.
Voltage
In an electric current, the main function of a switch is to
a. open and close the circuit.
b. provide the source of energy.
c. act as the load.
d. absorb electrical energy.
a. open and close the circuit.
Materials that have low resistance to electric current are electric _________.
conductors
Which one of the following is the correct option for fill in the blank: Voltage, Resistance, Current
_______ is a difference in electric potential energy between two positions.
Voltage
Which of the following do light energy, heat energy, and sound energy all have in common?
a. They are all measured in degrees.
b. They all insulate electricity.
c. They can all be produced by electricity.
d. They can be transferred by conduction.
c. They can all be produced by electricity.
When particles of matter absorb electrical energy, they change it to heat or _________.
light
Which one of the following is the correct option for fill in the blank: Charge, Resistance, Energy
_____ that flows past a given point in a certain amount of time.
Charge
What is the SI unit of resistance?
Ohm
If the current is 10 amps and the voltage source is 200 volts, what is the resistance? Do not include units in your answer.
20
_________ is opposition to the flow of electric charges in an electric current.
Resistance
If a 240 volt voltage source is connected to a wire with 10 ohms of resistance, what is the current? Do not include units in your answer.
24
A light bulb with resistance of 80 ohms is connected to a 9 V battery. The electric current going through is 0.1125 A. What is the wattage dissipated in this light bulb with the 9 V battery?
a. 2.3021 W
b. 3.4531 W
c. 0.0075 W
d. 1.0125 W
d. 1.0125 W