
Electromotive force (emf)

Quiz
•
Physics
•
10th Grade
•
Medium
Nursena Kara
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is electromotive force (EMF)?
The force that drives electrical current through a circuit
The force that opposes the flow of electrical current
The amount of energy required to move a unit of electrical charge through a circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is EMF generated?
By the movement of electrons in a circuit
By the difference in electrical potential between two points in a circuit
By the transfer of energy from one electrical device to another
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between EMF and voltage in a circuit?
EMF and voltage are the same thing
EMF is equal to the voltage of a battery
EMF is the maximum voltage that can be produced in a circuit
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the resistance in a circuit affect the EMF?
It decreases the EMF
It has no effect on the EMF
It increases the EMF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some common devices that use EMF to generate electrical energy?
Solar panels
Batteries
Generators
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