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Questions and Answers
Electricity is generated based on what law in physics?
Electricity is generated based on what law in physics?
Faraday's Law states that electricity is generated if a conductor moves in a __________.
Faraday's Law states that electricity is generated if a conductor moves in a __________.
State three renewable energy sources.
State three renewable energy sources.
Renewable energy source have two big weak points:
- They are either l_______ - specific
- Their outputs are l__ ________
Renewable energy source have two big weak points:
- They are either l_______ - specific
- Their outputs are l__ ________
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In a circuit, the electrons always flow from the ________ end to the _________ end.
In a circuit, the electrons always flow from the ________ end to the _________ end.
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Label the following diagram with the components:
Energy source, connector, load, control device
Label the following diagram with the components: Energy source, connector, load, control device
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Draw a circuit diagram that has:
- One battery, one light bulb, one motor and one resistor.
- One switch that only controls the motor.
- One ammeter that measures the current flow of the light bulb and the resistor.
- One voltmeter that measures the voltage gain.
Draw a circuit diagram that has:
- One battery, one light bulb, one motor and one resistor.
- One switch that only controls the motor.
- One ammeter that measures the current flow of the light bulb and the resistor.
- One voltmeter that measures the voltage gain.
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Two light bulbs are connected in series. If one is unscrewed, what will happen to the other one?
Two light bulbs are connected in series. If one is unscrewed, what will happen to the other one?
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Are the following light bulbs connected in series or parallel?
Are the following light bulbs connected in series or parallel?
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What is the advantage of connecting components in parallel?
What is the advantage of connecting components in parallel?
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Which parameter measures the electrical potential difference (or how hyped the electrons are)?
Which parameter measures the electrical potential difference (or how hyped the electrons are)?
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What does current measure?
What does current measure?
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Choose the correct option.
Voltage is always measured across
(one/ two) point(s)
while
Current is always measured at
(one/ two) point(s).
Choose the correct option.
Voltage is always measured across (one/ two) point(s) while Current is always measured at (one/ two) point(s).
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Three loads are connected in series circuit. The power source is 9V. How much voltage drop will occur at each load?
Three loads are connected in series circuit. The power source is 9V. How much voltage drop will occur at each load?
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A parallel circuit has four branches. If the current at each branch is 0.5A, what is the total current in this circuit?
A parallel circuit has four branches. If the current at each branch is 0.5A, what is the total current in this circuit?
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