Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same Decreases 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 0.4% 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has large number of turns Has higher wattage rating Has lower wattage rating Offers large number of tapping Has large number of turns Has higher wattage rating Has lower wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times 9 times 3 times 1/3 times 1/9 times 9 times 3 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Shape of cross-section Temperature Cross-sectional area Material Shape of cross-section Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density Resistance None of the listed here Resistivity Current density Resistance None of the listed here Resistivity ANSWER DOWNLOAD EXAMIANS APP
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