20.An electric motor is running on 120V. The current is measured to be 2A. How many ohms of resistance is the motor?

21.An electric circuit has a resistance of 20Ω. The current is measured to be 6A. How many volts are applied to the circuit? a.3 1/3 b.14 c.26 d.120

22.A toaster is listed as 1560W. When it is plugged into a 120V circuit and starts to make toast, how many amperes will it draw?

36.Engineering notation is in steps of what? a.10 b.100 c.1000 d.10000

16.The amount of electrical power being used in a circuit is measured in ____. a.amperes b.volts c.ohms d.watts

9.If a circuit is open, current _____ flow(s). a.will b.will not

39.In engineering notation, what is the first prefix above the base unit known as? a.kilo b.mega c.giga d.milli

12.What is another term for electromotive force (EMF)? a.amperage b.ohmage c.voltage d.wattage

38.In standard metric prefixes, what is the third prefix known as? a.deka b.hecto c.kilo d.centi

6.One coulomb per second is equal to one _____. a.ampere b.ohm c.volt d.watt

7.The velocity of AC through a conductor is _____ the speed of light. a.equal to b.greater than c.less than

46.Using the SI system, the amount of substance is known as a unit.

a.True b.False

26.What is the flow of electron through a conductive substance? a.current b.voltage c.wattage d.cycle

23.What standard prefix in engineering notation indicates multiplication by 1,000,000,000? a.kilo(K) b.tera(T) c.giga(G) d.mega(M)

8.A complete circuit is often referred to as a(n) _____ circuit. a.closed b.open c.shorted d.ground

40.In engineering notation, what is the third prefix below the base unit known as? a.milli b.micro c.nano d.pico

34.On the Ohm’s law chart, what do you use to find power when current and voltage are known? a.I=P/E b.P=E*I c.R=P/I2 d.I=E/R

15.What causes a wire to become warm when current flows through it? a.amperage b.resistance c.voltage d.divergence

13.The amount of potential necessary to cause one coulomb to produce one joule of work is a(n) _____. a.amp b.ohm c.volt d.watt

33.On the Ohm’s law chart, what do you use to find current when power and voltage are known? a.I=P/E b.P=E*I c.E=I*R d.I=E/R

43.Using Ohm’s law chart, resistance can be found when power and current are known, represented by R=P/I2. a.True b.False

18.The statement, “In a DC circuit, the current is directly proportional to voltage and inversely proportional to resistance,” is known as _____ law. a.Ampere’s b.Coulomb’s c.Ohm’s d.Volt’s

45.Using Ohm’s law chart, power can be found when voltage and current are known, represented by E=I*R. a.True b.False

10.What type of circuit generally occurs when the conductors leading from and back to the power source become connected? a.short b.grounded c.open d.closed

14.The unit of resistance to current flow is the _____. a.ampere b.ohm c.volt d.watt

35.On the Ohm’s law chart, what do you use to find resistance when current and power are known? a.I=P/E b.P=E*I c.R=P/I2 d.I=E/R

44.Using Ohm’s law chart, current can be found when power and voltage are known, represented by I=P*E. a.True b.False

47.There are two theories concerning current flow, electron flow theory and conventional current flow theory. a.True b.False

4.Voltage flows through an electric circuit like water flows through a pipe. a.True b.False