The substances which have many free electrons and offer a low resistance are called
AConductors
BSemiconductors
CInductors
DInsulators
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Related Questions:
Which of the following statements is/are true for a current carrying straight conductor?
- i) The magnetic field lines are concentric circles with conductor at the centre.
- (ii) The strength of the magnetic field increases as we move away from the conductor.
- (iii) The direction of magnetic field can be determined using right hand thumb rule.
Rectification of a circuit is achieved using :
As per Ohm's law, if the resistance of a conductor is doubled, what will be the effect on the current flowing through it?
ഇടിമിന്നലിൽ നിന്ന് രക്ഷനേടാൻ എടുക്കാവുന്ന മുൻ കരുതലിൽ ഏറ്റവും പ്രധാനപ്പെട്ടവ താഴെ പറയുന്നതിൽ ഏത് ?
Which of the following home appliances does NOT use an electric motor?