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In a circuit diagram, which of the following symbols correctly represents an open switch?
In a circuit diagram, which symbol is used to represent a resistor?
Which of the following circuit symbols represents an open switch?
Draw and label the circuit symbols for the following components used in a circuit diagram: (i) Electric cell (ii) Ammeter (iii) Voltmeter (iv) Electric bulb
In the circuit symbol of an electric cell, what does the longer, thinner line stand for?
Why are LED bulbs said to be energy-efficient compared with incandescent bulbs?
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