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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
ions, resistance
B
voltage, resistance
C
ohms, 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
resistance
B
force
C
static charge
D
thickness
3) According to Ohms Law , when the voltage in a circuit increases, the current ___________________.
A
increases
B
decreases
C
decreases, increases, then decreases
D
stays the same
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
series circuit
B
parallel circuit
C
ion circuit
D
electric circuit
5) a circuit that has more than one path for the electric current to follow
A
parallel circuit
B
electric circuit
C
ion circuit
D
series circuit
6) If one path is broken, electrons _______________ (to) flow through the other paths.
A
continue
B
start and stop
C
stop
D
decrease
7) the rate at which electrical energy is converted into other forms of energy
A
electric discharge
B
electric force
C
voltage
D
electric power
8) an amount of electrical energy equal to using 1 kW of power continuously for 1 h
A
Ohms
B
(kWh)
C
amperes
D
volts
9) Which is an example of electric discharge?
A
hail
B
thunder
C
sleet
D
lightning
10) causes charged particles to attract or repel each other
A
electrical power
B
electric discharge
C
electric current
D
electric force
11) an area around an electric charge which is strongest closet to the charged particle
A
electrical power
B
electric field
C
electric current
D
electric force
12) a positively or negatively charged atom
A
volt
B
amps
C
ion
D
Ohms
*select an answer for all questions
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