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% None of the listed here 0.2% 0.4% 0.3% None of the listed here 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best conductor of electricity? Zinc Copper Silver Gold Zinc Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 25 ohm 10 ohm 200 ohm 1000 ohm 25 ohm 10 ohm 200 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Is excited Begins to weep Begins to laugh Becomes insensitive to pain Is excited Begins to weep Begins to laugh Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Porcelain Manganin Copper Carbon Porcelain Manganin Copper ANSWER DOWNLOAD EXAMIANS APP
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