NCCER Electrical module 3 (intro to electrical circuits).pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/NCCER%20Elec
NCCER Electrical Module 3 (Intro to
Electrical Circuits) Questions & Answers
1. a circuit has a source voltage of 50v and a current of 10A, what is the power in
watts?
Answer 500w
2. voltage is defined as the?
Answer driving force that makes current flow in a circuit
3. if a curcuit has 12 amps of current and the resistance is 20 ohms, the applied
voltage is?
1 of 7 11/18/2024, 3:26
,NCCER Electrical module 3 (intro to electrical circuits).pdf file:///C:/Users/HP/Desktop/New%20folder%20(2)/NCCER%20Elec
Answer 240 volts
4. if two 10 ohm resistors are connected in series, what is the total resistance of
the resistors?
Answer 20 ohms
5. to make sure the voltage is turned off before touching any terminals, use a?
Answer voltage tester
6. how many amos are there in the current of a circuit if the voltage source is
140v and the resistance is 2 omhs
Answer 70
2 of 7 11/18/2024, 3:26
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