Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Negative Almost zero Positive None of the listed here Negative Almost zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of copper A cube of carbon A column of mercury The unit length of wire A cube of copper A cube of carbon A column of mercury The unit length of wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Resistance Power Current Voltage Resistance Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
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