The _____ means that horses imitate the behavior of other horses.
Fill in the blank(s) with the appropriate word(s).
banding instinct
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The two important parts in a relay are the coil and ____________________.
Fill in the blank(s) with the appropriate word(s).
As a result of the panic of 1837
A. the U. S. established restrictions on foreign loans. B. President John Tyler reversed his opposition to a national bank and signed legislation authorizing a "Fiscal Corporation." C. anti-British passions cooled in America. D. the Democrats led America into war for more territory. E. several states defaulted on their bonds or repudiated them openly.
A ____ oscillator is a two-stage amplifier with a lead-lag network and voltage divider.
A. Pierce B. phase-shift C. Butler D. Wien-bridge
In addition to protecting other workers from exposure to electric arcs, welding screens _____
a. prevent drafts from interfering with the stability of the arc b. reduce glare on the workpiece c. mark a confined space d. support workpieces for overhead welding