Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive 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 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here 0.4% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Carbon Porcelain Copper Manganin Carbon Porcelain Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same None of the listed here Potential Capacity Charge None of the listed here Potential Capacity Charge ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to weep Becomes insensitive to pain Is excited Begins to laugh Begins to weep Becomes insensitive to pain Is excited Begins to laugh ANSWER DOWNLOAD EXAMIANS APP
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