Current Electricity A thermistor has Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Charge Capacity None of the listed here Potential Charge Capacity None of the listed here Potential ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Resistivity Area of cross-section Length Temperature Resistivity Area of cross-section Length Temperature 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 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent shock To prevent leakage of current Both of the listed here None of above factors To prevent shock To prevent leakage of current Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor Varistors ANSWER DOWNLOAD EXAMIANS APP