What is chemical energy?(1 point)
Responses
energy due to the jiggling motion of molecules
energy due to the jiggling motion of molecules
energy carried by electrical current
energy carried by electrical current
energy stored in the bonds between atoms and molecules
energy stored in the bonds between atoms and molecules
energy stored in the bonds between the parts of an atomic nucleus
energy stored in the bonds between the parts of an atomic nucleus
3 answers
energy stored in the bonds between atoms and molecules.
A fan with a resistance of 20 Ω is connected to a power supply. The current flowing through the circuit is 2.5 A.
What is the voltage of the power supply?
(1 point)
Responses
22.5 V
22.5 V
8.0 V
8.0 V
50.0 V
50.0 V
17.5 V
What is the voltage of the power supply?
(1 point)
Responses
22.5 V
22.5 V
8.0 V
8.0 V
50.0 V
50.0 V
17.5 V
50.0 V
1 answer