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