General Knowledge :: Physics
- Water cannot be used to extinguish fire caused by electric current, because
- The resistance of a conductor is inversely proportional to its:
- What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?
- Which elements are malleable and good conductors of electricity?
- What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?
- If electric resistance is to be decreased, then the number of resistances should be connected in ________
- Which one of the following is a good electrical conductor?
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