Whenever a change of magnetic field occurs in a closed loop of wire,
A. electromagnetic induction occurs.
B. current is made to flow in the loop of wire.
C. a voltage is induced in the wire.
D. all of the above
Answer: D
You might also like to view...
Carbon dioxide in the soil zone is produced by:
a. diffusion from the atmosphere b. release from plants c. percolation of rain water which carries the gas in dissolved from d. decomposition of organic matter
Perforins are associated with which of the following?
A) B cells B) macrophages C) NK cells D) Th cells
According to the Ptolemaic (Greek) system, the planets have circular orbits
Indicate whether the statement is true or false
Photovoltaic (PV) technology is best described as ________
A) using sunlight to generate electricity B) trapping sun's heat and storing it for many varied uses C) passive solar technology D) using sun's energy to warm a room without mechanical devices E) using mirrors to concentrate sunlight, to heat water and produce steam for electricity generation