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1.3 motors
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卡片总数: 4 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
卡片预览 (4 张)
#1
正面 (问题)
identify three ways that’s you could increase power or speed of a motor
背面 (解答)
-stronger magnets -increase current -Have more coils
#2
正面 (问题)
describe the energy conversions in the following three devices a. AC generator b. DC generator c. Motor
背面 (解答)
a. AC generator mechanical energy to electrical energy (produced in waves) b. DC generator mechanical energy to electrical energy (produced in spikes) c. Motor electrical energy to mechanical energy
#3
正面 (问题)
difference between AC and DC generator
背面 (解答)
AC is a slip rings and DC use a split rings commutator 
#4
正面 (问题)
describe in point form how an AC generator produces an electrical current
背面 (解答)
coil spins in magnetic field, moving through field pushes electrons, current is produced, slip rings carry AC out