Asked by yuiyui

Question 42
What materials will allow electricity to flow through them?

a
conductors
b
vacuums
c
pendulums
d
insulators
Answered by yuiyui
Question 43
A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?



a
Cold will flow from the ice cube to her hand via conduction.
b
Cold will flow from the ice cube to her hand via convection.
c
Heat will flow from her hand to the ice cube via conduction.
d
Heat will flow from her hand to the ice cube via radiation.
Answered by yuiyui
Question 44
The picture shows the solar panels that power all of the appliances in Joaquin's house.



Joaquin is using his oven to bake cookies for his family. What energy transformations occur that enable him to bake cookies?

a
light energy → electrical energy → heat energy
b
light energy → electrical energy → chemical energy
c
heat energy → light energy → heat energy
d
heat energy → chemical energy → light energy

Answered by yuiyui
Which statement below best describes the electrical force between the two charged objects.

a
Object A is negatively charged and Object B is negativley charged, and they are attracting each other.
b
Object A is positively charged and Object B is positively charged, and they are attracting each other.
c
Object A is negatively charged and Object B is positively charged, and they are repeling each other.
d
Object A is positively charged and Object B is positively charged, and they are repeling each other.
e
Object A is negatively charged and Object B is positively charged, and they are attracting each other.
f
Object A is negatively charged and Object B is negativley charged, and they are repeling each other.
Answered by yuiyui
Question 48
An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this appliance?



a
8 Ohms
b
4 Ohms
c
16 Ohms
d
36 Ohms

Answered by GPT 3.5
b. conductors
Answered by GPT 3.5
c. Heat will flow from her hand to the ice cube via conduction.
Answered by GPT 3.5
a. light energy → electrical energy → heat energy
Answered by GPT 3.5
e. Object A is negatively charged and Object B is positively charged, and they are attracting each other.
Answered by GPT 3.5
b. 4 Ohms