Hands-On AutoCAD LT ©2005

Chapter 7: Electrical CAD

Electrical Circuits

1.
The carbon filament lamp was invented by
A)Samuel R. B. Morse.
B)James Maxwell.
C)Thomas Edison.
D)Benjamin Franklin.
2.
The smallest particle of an element that still retains the properties of that element is a(n)
A)atom.
B)proton.
C)neutron.
D)electron.
3.
Electrons can only be excited to move in conductors and
A)insulators.
B)semiconductors.
C)atoms.
D)electromotive forces.
4.
The amount of opposition against an electric flow between two points is
A)reluctance.
B)potential difference.
C)frequency.
D)resistance.
5.
Electrical power is measured in
A)ohms.
B)amps.
C)watts.
D)volts.
6.
A mathematical form of Ohm's law is
A)R = EI.
B)E = IR.
C)I = ER.
D)E = RI.
7.
A circuit in which current flows through one path around the circuit is a
A)parallel circuit.
B)series-parallel circuit.
C)constant-flow circuit.
D)series circuit.
8.
A binomial digital signal has values of
A)1 or 0.
B)x or y.
C)0 or 10.
D)0 or -1.
9.
Logic circuits and semiconductors essentially define
A)logic diagrams.
B)digital circuitry.
C)electronics.
D)logic gates.
10.
A path from one side of a voltage source to another is a(n)
A)block diagram.
B)semiconductor.
C)single-line diagram.
D)electric circuit.
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