Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Charcoal Silicon carbide Graphite Nichrome Charcoal Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Lorentz method Wheastone bridge method Releigh method Ohm's law method Lorentz method Wheastone bridge method Releigh method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength nearly 3 x 108 m/s of the order of a few ^.s/m the same as propagation velocity of electric energy independent of current strength ANSWER DOWNLOAD EXAMIANS APP
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