Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Variable resistors Semiconductors Thermistor Varistors Variable resistors Semiconductors Thermistor Varistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule Five joules One joule second One watt One joule Five joules One joule second 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 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Zero Negative None of the listed here Positive Zero Negative None of the listed here Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Is excited Begins to weep Becomes insensitive to pain Begins to laugh Is excited Begins to weep Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Charcoal Silicon carbide Graphite Nichrome Charcoal Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
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