Electricity in NCERT Class 10

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Questions and Answers

What is the unit of electric current?

  • Joule
  • Ampere (correct)
  • Ohm
  • Volt

What does a resistor do in an electric circuit?

  • Increases the voltage
  • Increases the current
  • Stops the flow of current
  • Decreases the voltage (correct)

What is the function of a fuse in an electric circuit?

  • Decreases the current
  • Regulates the voltage
  • Increases the current
  • Stops the flow of current (correct)

What happens to the current in a series circuit if one of the components fails?

<p>The current in all components stops (A)</p> Signup and view all the answers

What effect does increasing the resistance in a circuit have on the current?

<p>The current decreases (A)</p> Signup and view all the answers

How does the voltage change across components in a parallel circuit when more components are added?

<p>The voltage across each component remains the same (A)</p> Signup and view all the answers

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