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Questions and Answers
What is the role of a capacitor in an electric circuit?
What is the role of a capacitor in an electric circuit?
- Blocks Alternating Current
- Passes Direct Current
- Produces large Voltage (correct)
- Stores Energy in Magnetic Field
Which of the following statements about inductors is correct?
Which of the following statements about inductors is correct?
- Blocks Direct Current
- Current in an Inductor can change instantly
- Passes Alternating Current (correct)
- Quick Current change produces large Voltage
What is the main purpose of a transformer in an electrical system?
What is the main purpose of a transformer in an electrical system?
- Blocks Alternating Current
- Passes Direct Current
- Stores Energy in Electric Field
- Transforms power from one circuit to another (correct)
Which type of transformer is commonly used in consumer electronic devices like TV sets and computers?
Which type of transformer is commonly used in consumer electronic devices like TV sets and computers?
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What effect does a quick voltage change have on a capacitor?
What effect does a quick voltage change have on a capacitor?
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Why is it important to mention that transformers do not change the frequency of power?
Why is it important to mention that transformers do not change the frequency of power?
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Which device stores energy in a magnetic field?
Which device stores energy in a magnetic field?
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What distinguishes power transformers from electronic transformers?
What distinguishes power transformers from electronic transformers?
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What is the primary function of a capacitor when interacting with alternating current?
What is the primary function of a capacitor when interacting with alternating current?
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Why are transformers crucial components in many electrical systems?
Why are transformers crucial components in many electrical systems?
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