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Ch. 20-Part 3
Test Description: Electricity
Instructions: Answer all questions to get your test result.
1) In a circuit, the amount of voltage is determined by ___________________ supplied to the power source and the __________________ of the conductor.
A
voltage, resistance
B
ohms, resistance
C
ions, resistance
D
resistance, amps
2) The amount of electrical energy converted to thermal energy in a wire increases as the ______________ of the wire increases.
A
force
B
resistance
C
thickness
D
static charge
3) According to Ohms Law , when the voltage in a circuit increases, the current ___________________.
A
decreases, increases, then decreases
B
stays the same
C
increases
D
decreases
4) a circuit that has only one path for the electric current to follow or in which all included devices receive the same current
A
ion circuit
B
electric circuit
C
parallel circuit
D
series circuit
5) a circuit that has more than one path for the electric current to follow
A
parallel circuit
B
electric circuit
C
series circuit
D
ion circuit
6) If one path is broken, electrons _______________ (to) flow through the other paths.
A
continue
B
decrease
C
stop
D
start and stop
7) the rate at which electrical energy is converted into other forms of energy
A
electric force
B
electric power
C
electric discharge
D
voltage
8) an amount of electrical energy equal to using 1 kW of power continuously for 1 h
A
amperes
B
volts
C
(kWh)
D
Ohms
9) Which is an example of electric discharge?
A
hail
B
lightning
C
thunder
D
sleet
10) causes charged particles to attract or repel each other
A
electric discharge
B
electric current
C
electrical power
D
electric force
11) an area around an electric charge which is strongest closet to the charged particle
A
electric field
B
electric force
C
electrical power
D
electric current
12) a positively or negatively charged atom
A
amps
B
volt
C
ion
D
Ohms
*select an answer for all questions
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