Question Bank
Explore the fundamentals of electricity, including circuits, current, voltage, and resistance, to understand how electrical devices operate.
What is the SI unit of electric current?
Define electric potential.
Explain the difference between series and parallel circuits.
What is the resistance of a conductor?
State Ohm's Law.
How is the resistance of a conductor affected by its length and cross-sectional area?
What is the function of a fuse in an electrical circuit?
Describe the working principle of an electric bulb.
What is the role of an ammeter in a circuit?
Explain the concept of electric power.
How does the resistance of a conductor change with temperature?
Define the term 'electric circuit'.
What is the purpose of using an insulator in an electrical circuit?
Differentiate between conductors and insulators.
How does the resistance of a conductor change with its material?
Describe the construction and working of an electric cell.
What is the significance of earthing in electrical installations?
Explain the concept of electric potential difference.
How does the resistance of a conductor change with its thickness?
What is the role of a voltmeter in an electrical circuit?
Define the term 'electric current'.
Explain the concept of electrical energy.
How does the resistance of a conductor change with its temperature?
Describe the working principle of an electric heater.
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