TPC Batteries and DC Circuits ALL QUESTIONS AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR

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TPC Batteries and DC Circuits ALL
QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR


QUESTION: Which of the following is a formula for calculating the efficiency of electrical

equipment? - ANSWER-ExI(out) / ExI(in)




QUESTION: If a motor can lift a 300 lb weight 15 ft in 10 seconds, how much power does the

motor deliver? - ANSWER-450 ft-lb/second




QUESTION: A shunt motor circuit in its simplest form is a dc ____________ circuit. - ANSWER-

parallel




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




QUESTION: In every generator, the armature and field windings have a(n) - ANSWER-internal

resistance



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QUESTION: Tapped and sliding-contact resistors are commonly used as voltage - ANSWER-

dividers




QUESTION: Adding resistors in series with the armature windings of a dc series motor will cause

it to - ANSWER-slow down




QUESTION: When calculating resistance, divide complex circuits into simpler parts beginning

with the - ANSWER-smallest combination




In a simple electrical device, if you double the potential difference, the ____________ doubles.

- ANSWER-current




QUESTION: If a potential difference of 200 V is applied across the field windings of a motor and

the current drawn by


the windings is 15 A, how much power is consumed by the windings? - ANSWER-3.0 kW




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