A common electromagnet is composed of a
A. current-carrying coil with a piece of iron inside.
B. bar magnet that carries an electric current.
C. current-carrying wire coil.
D. none of the above
Answer: A
You might also like to view...
Singapore has been hailed as an economic success story but critics often paint it in a negative light. Explain how Singapore has become an economic success while describing where it has gained criticism
What will be an ideal response?
A(n) ________ species has an effect on its ecological community disproportionate to its abundance
Fill in the blank(s) with correct word
Included in urban geography is the study of the functions of cities and their economic role in organizing territory
Indicate whether the statement is true or false.
According to scientific studies, what accounts for 43% of global CO2 emissions?
A. oil, gasoline and diesel fuel used for transportation B. nuclear fuel cycle C. solar thermal plants D. offshore wind turbine farms