Class X Quizzes important for Boards exams

What is the purpose of an electric circuit?

• Which of the following is a good conductor of electricity?

What is the relationship between voltage (V), current (I), and resistance (R) in an electrical circuit?"

Which type of current flows only in one direction?

What is the function of a fuse in an electrical circuit?"

Which of the following is a unit of electrical power?"

What happens to the resistance in a wire when its length is doubled, keeping everything else constant?

What does a voltmeter measure?"

Which material is commonly used as an insulator in electrical wires?

What is the SI unit of electric current?

What is the primary function of an electric switch in a circuit?

In a series circuit, how does adding more resistors affect the total resistance?"

Which of the following is a safety device used in electrical circuits to prevent excessive current from flowing?"

What is the purpose of an electric insulator?

Which of the following is a characteristic of a parallel circuit?"

What is the unit of electrical energy?"

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance between them?"

What happens to the resistance of a wire when its cross-sectional area is doubled, keeping everything else constant?"

What is the resistance of a conductor with zero resistance called?

Which of the following is a unit of electric charge?