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Match the symbols in the diagram with their names.
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R
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The resistance of a LDR will _________ when the surrounding is bright.
The diagram shows a transistor circuit. Will the bulb light up if all the components function normally?
The diagram shows a circuit of an automatic switch. Name the component X, Y and Z?
X
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Y
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Z
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The diagram shows a circuit of an automatic switch. The bulb will light up when
The diagram shows a circuit of an automatic switch. What is the function of the 1kW resistor?
The diagram shows a circuit consisting a transistor. Which of the following is true about the circuit?
The diagram shows the circuit of an automatic switched fire alarm. In this circuit, an NTC thermistor should be placed at