HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100
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Draw the circuit symbols and write the truth table for the NAND logic gate.
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Important Questions on Electric Circuits
HARD
Upper Secondary: IGCSE
IMPORTANT
Draw the circuit symbols and write the truth table for the NOR logic gate.
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A fuse can be used to protect an electrical circuit. What problems may arise if a high current flows in a circuit?
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A fuse can be used to protect an electrical circuit. What happens in the fuse when a dangerously high current flows in the circuit?
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A fuse can be used to protect an electrical circuit. What other device could be used to protect a circuit instead of a fuse?
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HARD
Upper Secondary: IGCSE
IMPORTANT
A fuse can be used to protect an electrical circuit. Explain why a fuse is suitable for a circuit in which the greatest current is usually .
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Draw the circuit symbol for the resistor.
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Draw the circuit symbol for the lamp.
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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Draw the circuit symbol for the bell.
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