Current Electricity Electrical current is due to the flow of Both positive and negative charges Neutral particles only Positive charges only Negative charges only Both positive and negative charges Neutral particles only Positive charges only Negative charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of The unit length of wire A cube of copper A column of mercury A cube of carbon The unit length of wire A cube of copper A column of mercury A cube of carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 1.5 0.6 1 0.5 1.5 0.6 1 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from Battery supply only All of the listed here AC supply only DC supply only Battery supply only All of the listed here AC supply only DC supply only 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 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Nichrome Charcoal Silicon carbide Graphite Nichrome Charcoal Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
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