TPC Batteries and DC Circuits Questions and Answers (100% Correct Answers) Already Graded A+

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TPC Batteries and DC Circuits Questions and
Answers (100% Correct Answers) Already
Graded A+
In a simple electrical device, if you double the potential difference, the
____________ doubles. Ans: current


If a potential difference of 200 V is applied across the field windings of a
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motor and the current drawn by


the windings is 15 A, how much power is consumed by the windings?
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Ans: 3.0 kW


If you move a 40 lb object 8 ft into the air and put it on a mezzanine,
how much work do you do? Ans: 320 ft-lb


Which of the following is a formula for calculating the efficiency of
electrical equipment? Ans: ExI(out) / ExI(in)


If a motor can lift a 300 lb weight 15 ft in 10 seconds, how much power
does the motor deliver? Ans: 450 ft-lb/second


A shunt motor circuit in its simplest form is a dc ____________ circuit. Ans:
parallel


A SPDT switch is considered a ____________ switch. Ans: three-way


In every generator, the armature and field windings have a(n) Ans:
internal resistance