Examlex
A wire moving at right angles to a magnetic field has NO induced voltage
Third World
An outdated term originally used to describe countries that were neither aligned with NATO (the First World) nor the Communist Bloc (the Second World), often used now to refer to developing countries.
Suez Canal
A man-made waterway connecting the Mediterranean Sea to the Red Sea, allowing for direct maritime transport between Europe and Asia without navigating around Africa.
Eisenhower Administration
The period of American history from 1953 to 1961, when Dwight D. Eisenhower served as the President of the United States, marked by a focus on moderate policies and the Cold War's early years.
Geneva Accords
Agreements reached at the Geneva Conference in 1954, which temporarily divided Vietnam into North and South zones at the 17th parallel and called for national elections to reunify the country.
Q3: The polarization axes of ordinary sunglasses are<br>A)vertical.<br>B)horizontal.<br>C)at
Q20: Ultraviolet light is<br>A)more energetic than X-rays.<br>B)produced by
Q22: Neon signs require about 12,000 volts to
Q24: Magnetic domains normally occur in<br>A)iron.<br>B)copper.<br>C)silver.<br>D)all of these<br>E)none
Q33: A property of non-cubic transparent crystals is
Q34: According to the uncertainty principle,the more we
Q37: The technology for orbiting solar power plants<br>A)awaits
Q38: A skipper on a boat notices wave
Q46: The half-life of an isotope is one
Q48: In an electric circuit,the safety fuse is