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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the function of a switch in an electrical circuit?
π‘ Hint: Think about how you control lights.
Question 2
Easy
What happens when a switch is open?
π‘ Hint: Consider if the lights turn on or off.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens to the flow of current when a switch is closed?
- It stops
- It flows
- It increases
π‘ Hint: Think about the 'on' state of a switch.
Question 2
True or False: An open circuit has infinite resistance.
- True
- False
π‘ Hint: Consider what happens when a circuit is interrupted.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a circuit with a 24 V battery and a switch that has a contact resistance of 0.03 Ξ©, calculate the current flowing through the switch if a 3 A current is flowing through the circuit. How much voltage drop occurs across the switch?
π‘ Hint: Remember to use the voltage drop formula (V = I Γ R).
Question 2
Design a safety feature for a circuit using switches to prevent overload. Describe how to ensure that contact resistance remains low and how to prevent degradation.
π‘ Hint: Consider the operating conditions and materials involved.
Challenge and get performance evaluation