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