Current Electricity Electrical current is due to the flow of Positive charges only Both positive and negative charges Negative charges only Neutral particles only Positive charges only Both positive and negative charges Negative charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 10 ohm 25 ohm 200 ohm 1000 ohm 10 ohm 25 ohm 200 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Resistivity Area of cross-section Length Temperature Resistivity Area of cross-section Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Charcoal Nichrome Graphite Silicon carbide Charcoal Nichrome Graphite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Negative Positive Zero About 2 ohms per degree Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Small resistors High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
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