A simple electric doorbell probably uses ________ to ring the bell
A) transistor B) a permanent magnet
C) a DPDT switch D) an electromagnet
D
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These notes relate to the entire print.
a. related notes b. general notes c. specific notes d. common notes
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What is the largest environmental problem stemming from agriculture?
A) air pollution B) soil erosion C) insect control D) sunlight
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The figure of merit is a number that provides an objective method of determining the relative ability of a permanent magnetic motor
Indicate whether the statement is true or false
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In a parallel circuit, the total line current must equal _____
a. the branch current divided by the number of resistors b. the branch current divided by the total resistance c. the sum of the branch currents d. zero
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