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ENGR-103 Test 3 With Correct Answers
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ENGR-103 Test 3 With Correct Answers...
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ENGR-103 Test 3 With CorrectAnswers
What is an electrical circuit? - ANSWER A closed path on which electrons flow
from a voltage source
Remember for parallel resistances, the individual resistor current adds
together and the ___________ is constant. - ANSWER voltage
Remember for series resistances, the individual resistor voltage drops add
together and the __________ is constant. - ANSWER current
___________ always flows from positive to negative. - ANSWER Current
What is charge? - ANSWER The amount of electrons measured in Coulombs
(C)
What is the abbreviation for charge? - ANSWER Q, q
A charge in motion creates... - ANSWER an electric current
, What is the formula for current? - ANSWER I = Q/t
What is current measured in? - ANSWER Amperes
1 A = 1 C/s
The derivative of charge is... - ANSWER current
Describe a direct current. - ANSWER 1. unipolar, current flows in one
direction
2. time independent
3. represented as a constant
A negative value for current means the current actually flows in the.... -
ANSWER opposite direction
Define voltage. - ANSWER Difference in electrical charge from one point to
another
1 V = 1 J/coulomb
One watt equals... - ANSWER one joule per second
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