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Northern IrelandTechnology and DesignQuick questions
Electronic and control systems
Quick questions on Electronic components and Ohm's law - CCEA GCSE Technology and Design
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Give one example of a conductor and one example of an insulator. [2 marks]
What is q2?Show answer
State Ohm's law. [1 mark]
What is q3?Show answer
A 12 V supply drives 0.04 A through a resistor. Calculate its resistance. [2 marks]
What is q4?Show answer
Why does an LED need a series resistor? [2 marks]
What is q5?Show answer
What is the function of a diode? [1 mark]
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