Florida Science Grade 6

Section 2: Electric Current

Electric Current

1.
Which of the following causes current to flow in a wire?
A)electric field
B)electric circuit
C)electric resistance
D)magnetic domains
2.
Which of the following energy conversions occurs inside a battery?
A)chemical to electrical
B)electrical to chemical
C)thermal to electrical
D)thermal to chemical
3.
The measure of how difficult it is for electrons to flow in an object is called the _______.
A)electric resistance
B)electric circuit
C)magnetic domain
D)electric field
4.
When a portable radio is playing, the current in the radio is 0.3 A. If the resistance of the radio is 30.0 O, what is the voltage supplied by the radio battery?
A)12 V
B)9 V
C)6 V
D)15 V
5.
Increasing the voltage in a circuit increases which of the following in the circuit?
A)It increases the energy transferred to the circuit.
B)It increases the electric resistance.
C)It increases the static charge.
D)It increases the number of charges.
6.
A(n) _______ has only one path for current to follow.
A)series circuit
B)parallel circuit
C)electric current
D)magnetic pole
7.
_______ is a measure of the amount of electrical energy transferred by an electric charge as it moves from one point to another in a circuit.
A)Current
B)Voltage
C)Charge
D)Electric circuit
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