What does AC stand for in electrical terms? a) Alternating Current b) Automatic Control c) Alternating Capacitance d) Alternating Charge
a) Alternating Current
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what is a resistance?
measure of the opposition to current flow in an electrical circuit.
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What is the main function of a resistor in an electrical circuit? a) To store electrical energy b) To control voltage c) To control current d) To convert electrical energy to mechanical energy
c) To control current
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shark
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If A1 is 5A, what is A2?
5A
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Which of the following is a unit of electrical potential difference? a) Ampere b) Ohm c) Volt d) Watt
c) Volt
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What is the term for the rate of energy transfer?
Power
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How do you calculate resistance?
R = V/ I
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What is the unit of electric charge? a) Joule b) Volt c) Ampere-hour d) Coulomb
d) Coulomb
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WHat is the unit for resistance, current and potential difference?
Ohms, Amps, Volts
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What is one advantage of parallel circuit?
If one loop in the circuit is broken, the current will still flow through the other loops.
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What type of circuit has only one path for current to flow? a) Series circuit b) Parallel circuit c) Closed circuit d) Open circuit
a) Series circuit
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15
If P.D at V1 is 6V, what is P.D at V2?
2V
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What is the difference between a series and a parallel circuit?
In a series circuit, electric charge can only flow in a single loop. In a parallel circuit, there are two or more paths through which electric charge can flow.