Current Electricity Ohm's law is not applicable to High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Positive None of the listed here Negative Almost zero Positive None of the listed here Negative Almost zero ANSWER DOWNLOAD EXAMIANS APP
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